a.

1. 口头的，口述的
   An oral agreement is not enough; we must have a written promise.

   只有口头协议是不够的；我们必须有一个书面承诺。

   He passed his German oral exam.

   他通过了德文口试。

2. 口的，口部的
   The oral opening in an earthworm is small.

   蚯蚓的口是很小的。

3. （语音）口腔发声的
4. （药）口服的
   The doctor prescribed an oral dose of medicine.

   医生开了一剂口服药。

n.

1. 【口】口试[C][P1]
   She passed her orals.

   她通过了口试。

adj.

1. spoken rather than written.
2. relating to the mouth.
   ▸done or taken by the mouth.
   ▸Psychoanalysis  relating to or denoting a stage of infantile psychosexual development in which the mouth is the main source of sensuous experience.

n.