n.[C]

1. 功能，作用，官能
   The teacher did not explain its grammatical function.

   老师没有解释它的语法功能。

2. 职务，职责
   What is his function on the committee?

   他在委员会里担任什么职务？

3. 盛大的集会（或宴会，宗教仪式）
   I attended many social functions while working abroad.

   我在国外工作期间出席了许多社交会。

4. 【数】函数

vi.

1. （机器等）工作，运行
   The refrigerator is not functioning well.

   冰箱有点问题。

2. 起作用[（+as）]
   The sofa functions as a bed at night.

   这沙发在夜里可以当床。

3. 行使职责

n.

1. an activity that is natural to or the purpose of a person or thing.
   ▸a computer operation corresponding to a single instruction from the user.
2. a large or formal social event or ceremony.
3. Mathematics  a relation or expression involving one or more variables.
   ▸a variable quantity regarded as depending on another variable.
4. a thing dependent on another factor or factors.
5. Chemistry  a functional group.

v.