moat

n.

壕沟，护城河；

v.

挖壕围绕；

复数：moats

1. When the moat is deep a ladder can be used.
   城壕深了架梯子；问题总有解决的办法。
2. A moat separates the animals in the zoo from the spectators.
   一条深沟把动物园里的动物和观众隔开。
3. The medieval town is fortified with a high wall and a deep moat.
   这座中世纪的城市用高墙深沟来加强防御。
4. There is a moat round the castle.
   城堡外环绕着一条护城河。
5. The medieval town was fortified with a high wall and a deep moat.
   这座中世纪的城市周围建有城墙和护城河。

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