不及物动词
1. The sofa functions as a bed at night.
这沙发在夜里可以当床。
2. The refrigerator is not functioning well.
冰箱有点问题。
名词
1. What is his function on the committee?
他在委员会里担任什么职务？
2. I attended many social functions while working abroad.
我在国外工作期间出席了许多社交会。
3. The teacher did not explain its grammatical function.
老师没有解释它的文法功能。