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为什么樟脑丸能防虫?

简单的摘要:樟脑丸能防虫的原因主要是其挥发性强、气味驱虫以及具有毒性。

1、挥发性强:樟脑丸中的主要成分樟脑具有极强的挥发性,能够迅速在空气中扩散,达到驱虫的效果。

2、气味驱虫:樟脑的气味对许多昆虫具有驱避作用,能够干扰昆虫的感官系统,使其远离衣物等物品。

3、具有毒性:樟脑对某些昆虫具有一定的毒性,能够破坏昆虫的神经系统,从而达到杀虫的目的。

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