Pieces of which are left in the rain become rusty.

铁片如果被扔在雨里就生锈。

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If you don't practice your English often enough, one day it will become rusty.

如果你不经常练习使用英语，有一天你的英语会生锈。

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If you don't practice your English often enough, one day it will become rusty.

如果你不经常练习使用英语，有一天你的英语会生锈。

youdao