If the person is not met on bathing body sapid, if the freezer in the home is long be not cleaned or clean a method incorrect also can have a bad taste, what reason is this after all?

• 人要是不洗澡身上就会有味道，家里的冰箱要是长时间不清洗或清洗方法不正确也会有一股难闻的味道，这究竟是什么原因呢？