the written and oral traditions of ancient cultures.

文字记载和口头传诵古代文化传统。

an oral agreement.

一份口头协议。

our reliance upon oral records.

我们对口头记录的依赖。

good oral hygiene.

良好的口腔卫生。

Standard treatment is oral antibiotics.

标准疗法是口服抗生素。

I spoke privately to the candidate after the oral.

口试结束后，我私下和那个考生说了几句话。