英语可以这么说：

Could you help me with these machines?

Could you teach me how to use these machines?

Could you show me how to use them?

Could you show me how to use the new photocopier and scanner?

学学老外这么说

A： I was wondering if you could show me how to use the new photocopier and scanner? I totally have no idea how it works.

B: Sure. I’ll come around in 10 minutes.

A: 你能教我用这台新的复印机和扫描器，我完全不知道怎么用。

B：没问题，我十分钟后过来。

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