diverge, deviate

这两个动词都有“偏离,离轨”之意。

diverge : 指从一主道分成Y形。

Don't diverge from the main path, but go straight through the wood.(不要偏离大道,一直穿过树林。)

deviate : 强调离开思想、行动或规则的惯例。

His statements sometimes deviated from the truth.(他的陈述有时偏离事实。)

doctor, physician, surgeon, dentist

这些名词都有“医生”之意。

doctor : 普通用词,泛指各科医生,即一切有行医资格的人。

He would not dream of becoming a doctor.(他做梦也没想到要当大夫。)

physician : 指医院的内科医生。

In case of diabetes, physicians advise against the use of sugar.(为了防止得糖尿病, 医生告诫他们不要吃糖。)

surgeon : 指专修外科或专修人体某个部分的外科专科医生,这种医生一般需对患者进行手术治疗。

The surgeon is now operating.(外科医生正在做手术。)

dentist : 指专门从事治牙的医生。

I have got toothache, so I must go to a dentist.(我牙疼, 必须去看牙医。)

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