dental hygiene是什么意思 dental hygiene怎么读
dental hygiene的用法和样例
- The report notes that several states now employ dental health directors.
报告指出，好几个州聘请了口腔卫生总监。 - Another should pay special attention to oral hygiene, brushing postprandial timely, as far as possible deprivation sweets.
另外应该特别注意口腔卫生，餐后及时刷牙，尽量少食甜食。
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