副科长的英文：
deputy sector chief
n. 代理人；代表；议员；副手
adj. 代理的；副的
He is the deputy mayor of the city.
他是本市的副市长。
By convention the deputy leader is always a woman.
按照惯例这一领导人的副职总是由女子担任.
The Deputy Fuehrer found himself in eclipse.
这位副元首觉得自己已黯然失色。
n. 部门，区域，扇形
It's the private sector, stupid!
是私人部门出了问题，傻瓜！
regional conference on the private sector
私营部门问题区域会议
This stifles the development of the financial sector.
这就遏制了金融部门的发展。
n. 首领；酋长；族长
adj. 为首的；主要的，首要的
He is nominated as police chief.
他被任命为警察局局长。
He is the chief support of the cause.
他是这一事业的主要支持者。
That money was their chief motivation.
金钱是他们的主要推动力。