求翻译：Third, mothballs: mothballs used to be a special addition to the family closet, mold products, can play a very good antimicrobial effect, kill a large number of breeding due to moisture and bacteria. However, there are reports that camphor may cause animal cancer, so this method is not only recommended the windows closed and the occasional moldy water after use, not long-term use. Camphor inexpensive and easy to buy.是什么意思？

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