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今天我去家里厕所的浴室拿东西,发现浴室的墙角上有几个小黑点。起初我以为是几只小虫子,赶紧叫妈妈过来打,结果妈妈过来一看说不是虫子,是浴室的墙角发霉了。我问妈妈为什
Today I went to the bathroom in the bathroom at home and took something and found a few black spots on the corner of the bathroom. At first I thought it was a few small bugs and hurriedly called my mother to fight. As a result, my mother came to see that it was not a bug, and the wall of the bathroom was mildewed. I asked my mom why