function /ˈfʌŋkʃən/ CET4 TEM4 ( functioning, functioned, functions )

• 1. 

  N-COUNT The function of something or someone is the useful thing that they do or are intended to do. 作用

  例：

  The main function of the investment banks is to raise capital for industry.

  各投资银行的主要作用是为产业筹集资金。

• 2. 

  N-COUNT A function is a large formal dinner or party. 宴会; 社交聚会

  例：

  ...a private function hosted by one of his students.

  …由他的一个学生做东的一场私人宴会。

• 3. 

  V-I If a machine or system is functioning, it is working or operating. 运转

  例：

  The authorities say the prison is now functioning normally.

  当局称该监狱现在在正常运转。

• 4. 

  V-I If someone or something functions as a particular thing, they do the work or fulfil the purpose of that thing. (作为某物) 起作用

  例：

  On weekdays, one third of the room functions as workspace.

  在工作日，这个房间的三分之一充当工作场所。