Good oral hygiene and regular dental care are important, whatever your age.

无论年龄大小，良好的口腔卫生和定期的牙齿保健都非常重要。

《柯林斯英汉双解大词典》

Your oral English is good.

你的英语口语很好。

youdao

He is said to be good at oral English.

据说他擅长英语口语。

youdao

You'll need to practice good oral hygiene for life, however, so your gum problems don't return.

CNN: Gingivitis

While oral contraceptives have a good safety record (and Barr Laboratories' trial of 1, 400 women showed no evidence that Seasonale is riskier than conventional contraceptive pills, except for a higher incidence of irregular bleeding in the first few months of use), Dr Hitchcock is keen to see women exercise caution when it comes to prolonged use of anything containing sex hormones.

ECONOMIST: Controlling menstruation

Good written and oral communication skills.

UNESCO: Criteria & Requirements