oral

Before the written exam, the foreign language students must pass a 15-minute oral test.

(Chinese) 在笔试之前，外语专业的学生必须通过15分钟的口语测试。

Ancient tribes preserved their history through oral traditions passed down between generations.

(Chinese) 古代部落通过代代相传的口头传统来保存他们的历史。

Maintaining good oral hygiene by brushing daily can prevent tooth decay.

(Chinese) 通过每天刷牙来保持良好的口腔卫生可以预防蛀牙。

The doctor prescribed an oral antibiotic to be taken twice a day with water.

(Chinese) 医生开了一种口服抗生素，要求每天随水服用两次。