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FRONTPAGE

Invisible band-aid

作者:21st
Aa
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会“隐身”的创可贴。

YOU become a joke whenever there’s a band-aid (创可贴) on your face, don’t you? Here’s what you need: a Chameleon (变色龙) Bandage. This band-aid changes color to match your skin. How does it do this? Chemicals in the band-aid make such changes.
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