We must pick up some rubbish and throw it into a dustbin.

我们必须拿起一些垃圾，并把它扔进垃圾箱。

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We must pick up some rubbish and throw it into a dustbin.

我们应该将垃圾捡起丢进垃圾桶里。

youdao

We must pick up some rubbish and throw it into a dustbin.

我们应该将垃圾捡起丢进垃圾桶里。

youdao