snail
/sneɪl; snel/ n
1 type of small soft slow-moving animal, usu with a hard spiral shell 蜗牛
Snails have been eating our lettuces. 蜗牛一直在吃我们的莴苣.
The snail retreated into its shell. 蜗牛缩进壳里去了.
2 (idm 习语) at a `snail's pace very slowly 极慢的
The old woman crossed the road at a snail's pace. 那个老太太横过马路时走得慢极了.