| 单词 | 摄氏度 |
| 释义 | 〔kelvin〕A unit of absolute temperature equal to 1/273.16 of the absolute temperature of the triple point of water. This unit is equal to one Celsius degree. See table at measurement 开：绝对温度单位，等于水的三态点绝对温度的1／273.16。这个单位等于一摄氏度 参见 measurement〔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〔water〕A clear, colorless, odorless, and tasteless liquid, H2O, essential for most plant and animal life and the most widely used of all solvents. Freezing point 0°C (32°F); boiling point 100°C (212°F); specific gravity (4°C) 1.0000; weight per gallon (15°C) 8.337 pounds (3.772 kilograms). 水：清洁、无色、无嗅、无味的液体，H2O，为绝大部分植物和动物生命所必需，广泛用于所有的溶剂。冰点为零摄氏度(32华氏度）；沸点为100摄氏度(212华氏度）；标准密度为(4摄氏度）1.0000；每加仑(15摄氏度）重8.337磅(3.772公斤） 〔gallium〕A rare metallic element that is liquid near room temperature, expands on solidifying, and is found as a trace element in coal, bauxite, and other minerals. It is used in semiconductor technology and as a component of various low-melting alloys. Atomic number 31; atomic weight 69.72; melting point 29.78°C; boiling point 2,403°C; specific gravity 5.907; valence 2, 3. See table at element 镐：一种在室温下是液体的稀有金属元素膨胀成固化，通常作为煤、铝土岩和其它矿中的微量元素而存在。用于半导体技术和各种低融合金的合成。原子序数31；原子量69.72；熔点27.98摄氏度；沸点2,403摄氏度；比重5.907；化合价2，3 参见 element |
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