He is a doctor and must help fight COVID-19.
他是一名医生,必须帮助抗击COVID-19。
He is a doctor in real life.
他在现实生活中是一名医生。
He is a doctor specializing in cardiac surgery.
他是一名专门从事心脏外科的医生。
He is a Doctor of Engineering with great expertise in the field of architecture.
他是一名工学博士,在建筑领域有很高的造诣。
My uncle works in a hospital, and he is a doctor.
我的叔叔在医院工作,他是一名医生。
Ex1: He is a doctor.
他是一位医生。
His name tag says he is a doctor.
他的名牌上说他是一名医生。
He is a postman. She is a doctor.
他是一名邮递员。她是一名医生。
He is a doctor while I is a worker.
他是一个医生而我是一个工人。
He is a doctor of great repute.
他是个很有声望的医生。

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