介形虫，小型水生甲壳纲，出现在几乎所有的海洋，半咸水和淡水栖息地。

Ostracods, small aquatic Crustacea, occur in almost every Marine, brackish and freshwater habitat.

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介形虫，小型水生甲壳纲，出现在几乎所有的海洋，半咸水和淡水栖息地。

Ostracods, small aquatic Crustacea, occur in almost every Marine, brackish and freshwater habitat.

youdao