| 释义 |
环节动物huánjié dòngwù动物的一门,身体长而柔软,由许多环节构成,表面有像玻璃的薄膜,头、胸、腹不分明,肠子长而直,前端为口,后端为肛门,如蚯蚓、水蛭等。{annelid; any segmented worm of the phylum Annelida such as earthworm and leech, having a long and soft segmented body covered with glassy thin film, head, chest and belly indistinguishable, the front end of its long and straight intestine serving as the mouth, and its rear end, the anus} |