(written abbreviation: Dr) someone who is trained to treat people who are ill

医生，大夫:

She was treated by her local doctor .

她由自己的当地医生治疗。

You should consult your family doctor for further advice.

你应该咨询家庭医生获取进一步的建议。

I'd like to make an appointment to see Dr Pugh.

我想预约皮尤医生看病。

His doctor prescribed him some antibiotics (=ordered drugs for him by writing an official note) .

他的医生给他开了一些抗生素。

a busy doctor with over 2000 patients on her list

预约单上有两千多病人的忙碌的医生

someone who holds the highest level of degree given by a university

博士:

a Doctor of Law

法学博士

to dishonestly change something in order to gain an advantage

窜改，伪造:

He had doctored his passport to pass her off as his daughter.

他窜改了护照把她说成是他的女儿。

There are concerns that some players have been doctoring the ball.

有人担心一些选手在球上做手脚。

to add something harmful to food or drink

在〔食物或饮料〕中添加有害物质:

Paul suspected that his drink had been doctored.

保罗怀疑他的饮料被人做了手脚。

to remove part of the sex organs of an animal to prevent it from having babies

阉割〔动物〕;

You should have your cat doctored .

你应该把你家的猫阉割了。

to give someone medical treatment, especially when you are not a doctor

〔尤指不是医生的人〕为…治病:

Bill doctored the horses with a strong-smelling ointment.

比尔用一种气味强烈的膏药给那些马治病。