A Complete Collection of 100000 Whys
Fav十万个为什么
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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