变形虫，一种淡水生物，就是这种情况。
大家公认淡水生物比海水生物更容易镉中毒。
Salt-water organisms are known to be more resistant to cadmium poisoning than freshwater organisms.
为满足对水质变化进行实时监测的要求，设计了淡水生物监测仪。
A freshwater biomonitor system is designed to perform in situ monitoring of the organism behaviors in freshwater.
网站描述：这是一个具有大量高质量的海水和淡水生物信息的网站。
Description: This is website contains large quantity information on Marine organisms and fresh-water organisms information.
水产专业的学生将学习鱼类，软体动物和其他淡水生物的养殖知识。
Students of aquaculture learn to cultivate fish, mollusks, and other foods that may be raised in fresh water or salt water.
海味：可食用的水产动物，既包括海水生物也包括淡水生物，但哺乳动物除外。
Seafood: Edible aquatic animals excluding mammals, But including Both freshwater and ocean creatures.
但是美国东南部，尤其是阿巴拉契亚山脉南部，却脱颖而出成为世界淡水生物聚居中心。
But it is the American Southeast that stands out as a world center of freshwater-species diversity, especially the southern Appalachian Mountains.
但是美国东南部，尤其是阿巴拉契亚山脉南部，却脱颖而出成为世界淡水生物聚居中心。
But it is the American Southeast that stands out as a world center of freshwater-species diversity, especially the southern Appalachian Mountains.
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