◎ flatworm是什么意思 n. 扁形虫[医] 扁虫 n. parasitic or free-living worms having a flattened body flatworm的用法和例句: 1. Roundworms, hookworms, flatworms and these guys: earthworms. 线虫 十二指肠虫 扁线虫和这些家伙 蚯蚓 2. Negligibly senescent organi*...