求翻译：扬州是我国最大的牙刷产地。牙刷是用来刷牙的，你一天用两次，它只能用三个月，在那之后一定要买新的。你一定要有正确的方法刷牙是什么意思？

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yangzhou is China's largest toothbrush origin. a toothbrush is used to brush their teeth in one day, you use two, it can only be used after 3 months, then one must buy new. You must have the correct method of brushing teeth

Yangchow is our country biggest toothbrush habitat.The toothbrush is uses for to clean the teeth, you one day use two times, it only can use for three months, after that certainly must buy newly.You must certainly have the correct method to clean the teeth

Yangzhou is China's largest toothbrush. Toothbrushes are used for brushing your teeth, you use twice a day, it can only be used for three months, after that must buy a new one. You must have the correct method of brushing your teeth