| 单词 | 淡水 |
| 释义 | 〔topminnow〕Any of various small viviparous New World fishes of the family Poeciliidae, of fresh or brackish waters.浮鲦：产于新大陆的一种杂色鱼科小型胎生鱼，生活在淡水或半淡水中〔widgeon〕Either of two wild, freshwater ducks (Anas americana of North America or A. penelope of Europe) having a grayish or brownish back and a white belly and wing coverts. The European widgeon has a reddish-brown head and creamy crown, and the American widgeon has a shiny white crown. 野鸭，赤颈鸭：两种淡水野鸭（北美的葡萄胸鸭 或欧洲的 赤颈鸭 )，背部呈灰色或褐色，腹部和覆羽的羽毛为白色。欧洲的野鸭头部为红褐色，奶油色冠，美洲的野鸭顶部亮白色 〔anadromous〕Migrating up rivers from the sea to breed in fresh water. Used of fish.溯河产卵的：从海洋向上游到河流中，并在淡水中产卵的。用于指鱼〔freshwater〕Of, relating to, living in, or consisting of water that is not salty:淡水的：淡水的、与淡水有关的、住在淡水里或由不是咸水的水组成的：〔squawfish〕Any of several large cyprinid freshwater fishes of the genusPtychocheilus, of western North America. 叶唇鱼：一种北美西部的叶唇鱼 属，大型淡水鲤鱼 〔stonecat〕A yellowish-brown freshwater catfish(Noturus flavus) of the Mississippi Valley and Great Lakes region, having poisonous pectoral spines. 石鲶鱼：产于密西西比河河谷与五大湖区的一种黄棕色的淡水鲶鱼（石鲶鱼） ，有带毒的胸鳍 〔hydrozoan〕Any of numerous coelenterates of the class Hydrozoa, including the freshwater hydras, hydroids, hydrocorals, and siphonophores.水螅水母类动物：水螅水母类无数腔肠动物中的任何一个，包括淡水水螅，水螅类动物，水珊瑚及管水母类动物〔anabaena〕Any of various freshwater algae of the genusAnabaena that sometimes occur in drinking water and cause a bad taste and odor. 项圈藻：项圈藻 属的各种淡水藻类，有时出现在饮用水中产生不好的味道和气味 〔pickerel〕Any of several small North American freshwater game and food fishes of the genusEsox, especially E. reticulatus, of the eastern and southern United States. 狗鱼：一种狗鱼 属北美淡水小猎物和食用鱼，尤指美国东部和南部的 网狗鱼 〔volvox〕Any of various freshwater green algae of the genusVolvox that form hollow, spherical multicellular colonies. 团藻：一种团藻 属淡水绿藻，形成空的、球状的多细胞群落 〔plankton〕The collection of small or microscopic organisms, including algae and protozoans, that float or drift in great numbers in fresh or salt water, especially at or near the surface, and serve as food for fish and other larger organisms.浮游生物：小生物或微生物的集合，包括大量生活在淡水或咸水中的水藻和原生动物，尤指在水表或靠近水面处，为鱼类或其它大型生物体提供食物〔arapaima〕A large South American freshwater food fish(Arapaima gigas) that typically attains a length of 3 meters (10 feet). Also called pirarucu 巨体舌鱼属：一种大型南美淡水食用鱼（巨骨舌鱼） 一般长达3米(10英尺） 也作 pirarucu〔bullhead〕Any of several large-headed North American freshwater catfishes of the genusIctalurus. 杜父鱼：一种大头的北美淡水杜父鱼 〔oligochaete〕Any of various annelid worms of the class Oligochaeta, including the earthworms and a few small freshwater forms.寡毛纲动物：任一寡毛纲环节软体虫，包括蚯蚓和一些小的淡水生物种类〔euglena〕Any of various minute single-celled freshwater organisms of the genusEuglena, characterized by the presence of chlorophyll, a reddish eyespot, and a single anterior flagellum. 眼虫藻，裸藻：一种眼虫 属的各种微小单细胞淡水微生物，该属的特点是存在叶绿素、红眼点和单一的前部鞭毛 〔pike〕A freshwater game and food fish(Esox lucius) of the Northern Hemisphere that has a long snout and attains a length of over 1.2 meters (4 feet). Also called northern pike 狗鱼，北美狗鱼：北半球的一种淡水猎物和食用鱼（白斑狗鱼 狗鱼科） ，有长长的鼻子，可达1.2米多（4英尺） 也作 northern pike〔walleye〕pl. walleye or wall.eyes A freshwater food and game fish(Stizostedium vitreum) of North America, having large staring eyes. Also called dory 2walleyed pike 【复数】 walleye 或 wall.eyes 大眼鰤鲇：一种淡水食用与捕猎鱼，（大眼狮鲇） ，产于北美，具有大而凝视的眼睛 也作 dory2walleyed pike〔inflow〕a lake fed by a freshwater inflow.一个流入淡水的湖〔amoeba〕A protozoan of the genusAmoeba or related genera, occurring in water and soil and as a parasite in other animals. An amoeba has no definite form and consists essentially of a mass of protoplasm containing one nucleus or more surrounded by a delicate, flexible outer membrane. It moves by means of pseudopods. 变形虫，阿米巴：一种变形虫属 或相关属的原生动物，存在于淡水和土壤里，或为其它动物的寄生虫。变形虫没有固定形体，身体主要由原生质组成，包括由一个柔软、有韧性的外膜包围的一个或一个以上的细胞核。变形虫系由伪足移动 〔cladoceran〕Any of various small, mostly freshwater crustaceans of the order Cladocera, which includes the water fleas.枝角目动物，水蚤类动物：一种多数生活于淡水中的小型枝角目甲壳类动物，包括水蚤〔statoblast〕An asexually produced encapsulated bud of a freshwater bryozoan that is released upon disintegration of the parent colony in autumn, remains inactive through winter, and develops into a new organism in spring.休眠芽：淡水苔藓虫的无性繁殖包芽，秋季从母体的分解中释放出来，整个冬季呈休眠状态，在春季发育成新的有机体〔smelt〕Any of various small silvery marine and freshwater food fishes of the family Osmeridae, found in cold waters of the Northern Hemisphere, especiallyOsmerus mordax of North America and O. eperlanus of Europe. 胡瓜鱼：胡瓜鱼科中的几种小型银白色海洋和淡水食用鱼类中的一种，发现于北半球的寒带水域，尤指产于北美洲的食用胡瓜鱼 和产于欧洲的 寄生胡瓜鱼 〔gar〕Any of several ganoid fishes of the family Lepisosteidae of fresh and brackish waters of North and Central America, having long narrow jaws, an elongated body, and a long snout.雀鳝：一种生长在北美洲和中美洲淡水或咸水中的雀鳝科硬鳞鱼，具有狭长的颚、伸长的身体和长鼻口部〔dace〕Any of various small freshwater fishes of the family Cyprinidae, which also includes carps and minnows.鲦，鲮：鲤科中的一种淡水小鱼，其中也包括鲤鱼和米诺鱼〔aquaculture〕The science, art, and business of cultivating marine or freshwater food fish or shellfish, such as oysters, clams, salmon, and trout, under controlled conditions.水产养殖：在控制条件下，科学、艺术及商业性培植海水或淡水食用鱼或介壳类，如牡蛎、蛤、鲑及鳟鱼〔oquassa〕A freshwater trout(Salvelinus oquassa) found in the Rangeley Lakes in western Maine. 蓝背红点鲑：一种淡水鲑（缅因红点鲑 红点鲑属） 见于美国缅因州西部兰吉利湖 〔Balkhash〕A shallow lake of southeast Central Asian U.S.S.R. It has saline water in the east and fresh water in the west.巴尔喀什湖：苏联中亚部分东南部的一个浅水湖，湖的东部为咸水，西部为淡水〔zoochlorella〕Any of numerous unicellular green algae that live symbiotically within the cells of other organisms, especially those of many freshwater invertebrates.虫绿藻：一种单细胞绿藻，共生地生长在其他生物体的细胞内，尤指许多淡水的无脊椎动物细胞内〔grilse〕A young Atlantic salmon on its first return from the sea to fresh or brackish waters.溯河产卵时期的鲑鱼：第一次从海中返回淡水或微咸的水中的幼小的大西洋鲑鱼〔ostracod〕Any of various minute, chiefly freshwater crustaceans of the subclass Ostracoda, having a bivalve carapace.介形亚纲动物：属介形亚纲的任一种体小的、主要生活于淡水中的甲壳纲动物，长有一对硬壳〔mussel〕Any of several freshwater bivalve mollusks of the generaAnodonta and Unio, found in the central United States, that burrow in the sand or mud of lakes and streams. 淡水蚌：发现于美国中部的无齿贝属 和 珠蚌属 几种淡水双壳软体动物的一种，在湖和河中的沙中或泥中挖洞 〔pulmonate〕Of or belonging to the Pulmonata, a subclass of gastropods including terrestrial snails and slugs and certain freshwater snails that are capable of breathing air through lunglike sacs.有肺的：属于或有关包括陆生蜗牛、蜂蝓和某些能使用类似肺的囊呼吸空气的淡水蜗牛等的有肺的腹足纲动物的〔smolt〕A young salmon at the stage intermediate between the parr and the grilse, when it becomes covered with silvery scales and first migrates from fresh water to the sea.幼鲑，三龄鲑：一种小的大马哈鱼，处于幼鲑和首次溯河产卵的鲑之间的阶段，此时它身上开始覆满了银鳞，并且首次从淡水游向海洋〔chub〕Any of various North American fishes, such as a freshwater whitefish of the genusCoregonus or a marine fish of the genus Kyphosus. 白鲑：北美鱼类的一种，如白鲑属 的淡水白鲑或 属 的海洋鱼类 〔salmon〕Any of various large food and game fishes of the generaSalmo and Oncorhynchus, of northern waters, having delicate pinkish flesh and characteristically swimming from salt to fresh water to spawn. 鲑，大麻哈鱼：北部海域中鲑属 和 大麻哈鱼属的 各种大食鱼或猎物鱼，具有柔嫩粉红色肉，特征是从咸水游到淡水中去产卵 〔nekton〕The collection of marine and freshwater organisms that can swim freely and are generally independent of currents, ranging in size from microscopic organisms to whales.自泳生物：能自由游动且不依靠水流的海中和淡水生物的总称，包括微生物乃至鲸鱼〔silurid〕Of or belonging to the family Siluridae, which includes various freshwater catfishes of Europe and Asia, typically having a short dorsal fin and a long anal fin.鲶科的：鲶科的或属于鲶科的，包括各种生活在欧洲和亚洲的淡水鲇鱼，一般有一个很短的背鳍和很长的臀鳍〔whitefish〕Any of various chiefly North American freshwater food fishes of the genusCoregonus, having a generally white or silvery color. 白鲑：一种鲑鱼 属，主要是北美淡水食用鱼，通常具有白色或银色的色泽 〔limnetic〕Of or occurring in the deeper, open waters of lakes or ponds.栖居于淡水的：开阔的湖或潭的或发生湖里或潭里的〔sheepshead〕A freshwater drum(Aplodinotus grunniens) commonly found from the Great Lakes to Texas. 淡水石首鱼：从五大湖区到得克萨斯地区都很常见的一种淡水石首鱼（淡水石首鱼） |
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