网络释义英英释义
莱尔爵士告诉我，他曾捉到一只龙虱（Dytiscus），有盾螺（Ancylus，一种像limpet的淡水贝）牢固地附着在它的上面；并且同科的水甲虫细纹龙虱（Colymbetes），有一次飞到比格尔号...
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Dytiscus
- abstract: Dytiscus (great diver) (based on Greek δυτικός, "able to dive") is a Holarctic genus of predaceous diving beetles that usually live in wetlands and ponds. There are 26 species in this genus distributed in Europe, Asia, North Africa and North and Central America.
以上来源于: WordNet
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