“蜗牛”造句

这些蜗牛体宽不超过1厘米。
The snails are no larger than one centimetre across.

火车这会儿走得跟蜗牛一样慢。
The train was moving now at a snail's pace.

蜗牛在地板上留下一道黏液.
The snail left a trail of slime along the floor.