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ANIMAL SECRET

Spiders are super cool !

作者:teens
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蜘蛛丝防弹衣

Who’s the coolest superhero? Maybe Spider-Man. He has a cool weapon — his spider silk (蜘蛛丝). But did you know? We can use this silk in real life, too! The US now is making spider silk body armor (防弹衣).
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