网络释义专业释义
...缨鳃蚕], clam worms [沙蚕]) • Class Hirudinea (Leeches) 16 Class Oligochaeta • Few setae（刚毛） • Clitellum（生殖带） • No parapodia（疣足） • Monoecious（雌雄同体） 17 Lumbricus terrestris • Feed on decaying organic matter • Enrich ...
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柯林斯英汉双解大词典
clitellum /klɪˈtɛləm/
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1.
N a thickened saddle-like region of epidermis in earthworms and leeches whose secretions bind copulating worms together and later form a cocoon around the eggs (蚯蚓、水蛭的)生殖带
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