Using a mirror, check your head for hair loss.

照一下镜子，看下你的头上有没有掉头发。

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Using a mirror, you can divert light from its path.

用镜子可以使光折射。

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The photocopier This makes copies, using a mirror, a roller and special black powder.

复印机用一面镜子，一个滚筒和专门的黑粉可以复印。

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Reading Heart of Darkness is more like using a book as a mirror to see more clearly who you are.

BBC: Read with us on World Book Day

The flame, meant to represent purity, was kindled from the rays of the sun using a parabolic mirror in a ceremony on 10 May at Olympia, the home of the ancient Olympic Games.

BBC: Olympic torch: Huge crowds turn out to cheer flame

Using a zone plate instead of a mirror gets around this.

ECONOMIST: The search for alien life