| 单词 | 最长 |
| 释义 | 〔Narrows〕A strait of southeast New York between Brooklyn and Staten Island in New York City and connecting Upper and Lower New York Bay. The Narrows is spanned by the Verrazano-Narrows Bridge, completed in 1964 and one of the longest suspension bridges in the world.纳罗斯：纽约东南的一个海峡，介于布鲁克林和纽约市的斯塔滕岛之间，连接纽约湾的上端和下端。弗拉德诺-纳罗斯桥的建立使纳罗斯海峡得到延伸，该桥于1964年竣工，是世界上最长的吊桥〔extend〕extended the radio antenna.把收音机的天线拉到最长〔thorium〕A radioactive silvery-white metallic element that is recovered commercially from monazite. Its longest-lived isotope, the only one that occurs naturally, is Th 232 with a half-life of 1.41 × 1010 years. It is used in magnesium alloys, and isotope 232 is a source of nuclear energy. Atomic number 90; atomic weight 232.038; approximate melting point 1,750°C; approximate boiling point 4,500°C; approximate specific gravity 11.7; valence 4. See table at element 钍：一种商业上从独居石中提取的放射性银白色金属元素，其自然界中寿命最长的同位素是钍232，半衰期为141×1010年。用于镁合金，同位素232是核能的来源。原子序数90；原子量232.038；熔点约为1,750°C；沸点约为4,500°C；比重约为11.7；原子价为4 参见 element〔curium〕A silvery, metallic synthetic radioactive transuranic element. Its longest lived isotope is Cm 247 with a half-life of 16.4 million years. Atomic number 96; melting point (estimated) 1,350°C; valence 3. See table at element 锔：一种合成的银色放射性超铀金属元素。其周期最长的同位素是Cm247，该同位素的半衰期为16.4百万年。原子序数96；熔点（估计值）1,350°C；三价 参见 element〔Broadway〕A thoroughfare of New York, the longest street in the world. It begins at the southern tip of Manhattan and extends about 241 km (150 mi) north to Albany.百老汇大街：美国纽约的一条大街，世界上最长的街道。从曼哈顿南端起向北延伸约241公里（150英里）至阿尔伯尼〔Volga〕A river of European U.S.S.R. rising in the Valdai Hills northwest of Moscow and flowing about 3,701 km (2,300 mi) generally east and south to the Caspian Sea. It is the longest river of Europe and the main commercial waterway of the U.S.S.R. The Volga is linked by canals and other rivers to the Baltic Sea.伏尔加河：苏联欧洲部分一条河流，源于莫斯科西北部瓦尔代山，长约3,701公里(2,300英里），大致向东流再向南注入里海。它是欧洲最长的河流和苏联主要商业水道。伏尔加河被许多运河和其它河流连向波罗的海〔Sognafjord〕An inlet of the Norwegian Sea in southwest Norway extending inland about 193 km (120 mi). It is the longest and deepest fjord in the country.松恩峡湾：挪威西南部挪威海的一个海峡，向内陆延伸达193公里(120英里）。是全国最长、最深的峡湾〔meitnerium〕An artificially produced radioactive element with atomic number 109 whose most long-lived isotopes have mass numbers of 266 and 268 with half-lives of 3.4 milliseconds and 70 milliseconds, respectively. Also called unnilennium ：人工产生的放射性元素，原子序数号为109，生命期最长同位素的质量为266和268，半衰期分别为3.4毫秒和70毫秒 也作 unnilennium〔bohrium〕An artificially produced radioactive element with atomic number 107 whose most long-lived isotopes have mass numbers of 261, 262, and 264 with half-lives of 11.8 milliseconds, 0.1 seconds, and 0.44 seconds, respectively. Also called unnilseptium ：人工产生的放射性元素，原子序数号为107，生命期最长同位素的质量为261、262和264，半衰期分别为11.8毫秒、0.1秒和0.44秒 也作 unnilseptium〔plutonium〕A naturally radioactive, silvery, metallic transuranic element, occurring in uranium ores and produced artificially by neutron bombardment of uranium. Its longest-lived isotope is Pu 244 with a half-life of 76 million years. It is a radiological poison, specifically absorbed by bone marrow, and is used, especially the highly fissionable isotope Pu 239, as a reactor fuel and in nuclear weapons. Atomic number 94; melting point 640°C; boiling point 3,235°C; specific gravity 19.84; valence 3, 4, 5, 6. See table at element 钚：一种天然地放射性银色超铀金属元素，存在于铀矿中，对铀元素进行中子轰击而人工制成。其存在周期最长的同位素是半衰期为七千六百万年的钸244，它是一种核辐射毒素，特别是能被骨髓吸收。尤其是其极具可裂变性的同位素钸239，被用作一种核反应燃料并用在核武器中。原子序数94；熔点640°C；沸点3,235°C；比重19.84；化合价3, 4, 5, 6 参见 element〔Thurmond〕American politician who served as governor of South Carolina (1947-1951) before entering the U.S. Senate in 1956. In 1998 he became the longest-serving senator in U.S. history.赛蒙德，史壮：美国政治家，1956年进入美国参议院前，任南卡罗来纳州州长（1947年-1951年）。1998年成为美国历史上任职时间最长的参议员.〔americium〕A white metallic transuranic element of the actinide series, having isotopes with mass numbers from 237 to 246 and half-lives from 25 minutes to 7,950 years. Its longest-lived isotopes, Am 241 and Am 243, are alpha-ray emitters used as radiation sources in research. Atomic number 95; specific gravity 11.7; valence 3, 4, 5, 6. See table at element 镅：锕系元素中的一种白色超铀金属元素，其同位素原子序数是从237到246，半衰期从25分钟到7,950年。其寿命最长的同位素镅241和镅243在研究中用作α射线辐射源。原子序数为95；比重11.7；原子价为3,4,5,6 参见 element〔era〕The longest division of geologic time, made up of one or more periods.纪元：地质年代最长的划分，由一个或多个阶段组成〔Waikato〕A river of New Zealand rising in central North Island and flowing about 434 km (270 mi) northwest to the Tasman Sea. It is the longest river in the country.怀卡托河：新西兰的一条河流，发源于北岛中部，流程约434公里(270英里），向西北注入塔斯曼海。是该国最长的河〔sartorius〕A flat, narrow thigh muscle, the longest of the human anatomy, crossing the front of the thigh obliquely from the hip to the inner side of the tibia.缝匠肌：一块平坦、狭窄的大腿肌肉，它是人体解剖中最长的肌肉，从臀部经胫骨内侧斜穿到大腿前部〔eon〕The longest division of geologic time, containing two or more eras.万古：地质时期中最长的分段，包括两个或两个以上的代〔lodge〕This cabinet lodges our oldest wines.这个柜子里收藏着我们年代最长的酒〔long〕Having the greater length of two or the greatest length of several:较长的，最长的：两者之中较长的一个或多者之中最长的一个：〔neptunium〕A silvery, metallic, naturally radioactive element, atomic number 93, the first of the transuranium elements. Its longest-lived isotope is Np-237 with a half-life of 2.1 million years. Found in trace quantities in uranium ores, it is produced synthetically by nuclear reactions. See table at element 镎：一种银白色的、金属性天然放射性元素，原子序数为93，第一个超铀元素。其周期最长的同位素为Np-237，半衰期为210万年。见于铀矿的示踪量中，由核反应合成生产出来 参见 element〔seaborgium〕An artificially produced radioactive element with atomic number 106 whose most long-lived isotopes have mass numbers 259, 261, 263, 265, and 266 with half-lives of 0.9, 0.23, 0.8, 16, and 20 seconds, respectively. Also called unnilhexium ：人工产生的放射性元素，原子序数号为106，生命期最长同位素的质量为259、261、263、265和266，半衰期分别为0.9秒、0.23秒、0.8秒、16秒和20秒 也作 unnilhexium〔dubnium〕An artificially produced radioactive element with atomic number 105 whose most long-lived isotopes have mass numbers of 258, 261, 262, and 263 with half-lives of 4.2, 1.8. 34, and 30 seconds, respectively. Also called unnilpentium ：人造放射性元素，原子序数号为105，生命期最长同位素的质量为258、261、262和263，半衰期分别为4.2秒、1.8秒、34秒和30秒 也作 unnilpentium〔hassium〕An artificially produced radioactive element with atomic number 108 whose most long-lived isotopes have mass numbers of 264 and 265 with half-lives of 0.08 milliseconds and 2 milliseconds, respectively. Also called unniloctium ：人造放射性元素，原子序数号为108，生命期最长同位素的质量为264和265，半衰期分别为0.08毫秒和2毫秒 也作 unniloctium〔astatine〕A highly unstable radioactive element, the heaviest of the halogen series, that resembles iodine in solution. Its longest lived isotope has a mass number of 210 and has a half-life of 8.3 hours. Atomic number 85; melting point 302°C; boiling point 337°C; valence probably 1, 3, 5, 7. See table at element 砹：极不稳定放射性元素，在卤族元素比重最大，在溶解状态与碘相象，它最长周期的同位素原子量为210，半衰期为8.3小时。原子序数85；溶点302°C；沸点337°C；化合价可能为1、3、5、7 参见 element〔Loire〕The longest river of France, rising in the Cévennes and flowing about 1,014 km (630 mi) north, northwest, and west to the Bay of Biscay.卢瓦尔河：法国最长的河流，发源于塞文山脉，流程约1,014公里（630英里），先向北、西北，后向西注入比斯开湾〔Nile〕The longest river in the world, flowing about 6,677 km (4,150 mi) through eastern Africa from its most remote sources in Burundi to a delta on the Mediterranean Sea in northeast Egypt. The main headstreams, theBlue Nile and the White Nile, join at Khartoum in Sudan to form the Nile proper. The river has been used for irrigation in Egypt since at least 4000 b.c. , a function now regulated largely by the Aswan High Dam. 尼罗河：世界最长的河流，流程6,677公里(4,150英里）从布隆迪荒凉地带至埃及东北部地中海沿岸的三角洲穿过东非。主要的干流是青尼罗河 和 白尼罗河， 它们在苏丹境内的喀土穆交汇组成尼罗河。从至少 公元前 4000年开始这条河就在埃及被用于农田水利，现在这一功效因阿斯旺高坎的落成而更广泛 〔actinium〕A radioactive element found in uranium ores, used in equilibrium with its decay products as a source of alpha rays. Its longest lived isotope is Ac 227 with a half-life of 21.7 years. Atomic number 89; melting point 1,050°C; boiling point (estimated) 3,200°C; specific gravity (calculated) 10.07; valence 3. See table at element 锕：一种在铀矿中发现的放射性元素，作为阿尔法射线能源增入点用于与其衰变产物的平衡过程中，其最长的活同位素是半衰期为21.7年的锕227。原子序数为89；熔点为1,050摄氏度；（估计的）沸点为3,200摄氏度；（计算出的）比重为10.07；原子价为3 参见 element |
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