| 单词 | 吸虫纲 |
| 释义 | 〔cercaria〕The parasitic larva of a trematode worm, having a tail that disappears in the adult stage.尾动幼虫，摇尾幼虫：吸虫纲虫的寄生幼虫，其尾在成虫阶段消失〔trematode〕Any of numerous flatworms of the class Trematoda, including both external and internal parasites of animal hosts, that have a thick outer cuticle and one or more suckers or hooks for attaching to host tissue. Also called fluke 1吸虫：任一种吸虫纲的扁平蠕虫，包括以动物为寄主的各种生长于内部和外部的寄生虫，其外部有一层很厚的角质层，长有一个或多个吸口或钩子。用于附寄主的组织 也作 fluke1 |
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