n.[C]

1. 医生，医师，大夫
   You must see a doctor.

   你一定得去看医生。

2. 博士
   Mr. Smith is a Doctor of Laws.

   史密斯先生是法学博士。

3. 【美】牙医生
4. 【口】修理员
5. 【古】学者；教师

vt.【口】

1. 治疗
   Mother doctored us for colds and stomachaches.

   我们伤风了或是肚子痛了，都是由母亲治疗的。

2. 修理
   My brother doctored the old watch.

   我兄弟把这旧表修好了。

3. 窜改（文件、账目等）
   He was accused of doctoring the accounts.

   他被指控窜改帐目。

4. 阉割（家畜）
5. 授予……博士学位

vi.【口】

1. 行医
   He doctored in Chinatown for many years.

   他在唐人街行医多年。

2. 服药

n.

1. a person who is qualified to practise medicine.
   ▸N. Amer. a qualified dentist or veterinary surgeon.
2. (Doctor) a person who holds the highest university degree.
3. an artificial fishing fly.

v.

1. adulterate, tamper with, or falsify.
2. informal practise medicine.
3. Brit. remove the sexual organs of (an animal) so that it cannot reproduce.