moule

例句：

1. 1.The moules are crawling around on the ground.
   蜗牛在地面上爬行。
2. 2. The moules were found in the mud and sand.
   蜗牛被发现在泥和沙里。
3. 3. The moules have a fascinating life cycle.
   蜗牛有着令人着迷的生命周期。