snailn.蜗牛
snailflower[植]饭豆
snail medic蜗牛苜蓿
Snail index钉螺指数
snail gland螺状腺
snail fever血吸虫病
snail shell蜗牛壳
snail wheel蜗形轮
snail plant蜗牛植物
snailfishesn.狮子鱼属
snail's pace受致命伤;得绝症