1.function n．作用；(事物的)功能 v．起作用
?Compared to the tradition, they have three new unique functions.
与传统的相比，他们有三个新的独特功能。
?We have a spare bedroom that also functions as a study.
我们有一个额外的卧室也可以充当书房。
[归纳探究]
the function of the heart 心脏的功能
perform/fulfil a function 发挥功能；履行职责
function as 起……作用
[图形助记]
Half of the room functions as the study.
这个房间的一半充当书房。
