4-f
n. [美国英语]；选征兵役制中不及格者免除兵役(者)(指身体、心理、品德等不适于服兵役)的分类
🗣️ 情景例句
We will help your children in learning lessons in their free time.
我们可以帮助您的孩子在他们空闲时学习功课。
The boys are crazy about the singer.
那些男孩疯狂迷上了那个歌手。
I fell in love with her at first sight.
我第一眼见到她就爱上了她。