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
I haven't dated any one else since her mother died.
自从她母亲去世之后 我从没有和别人约会过。
I ought to take her home.
我应该送她回家。
What bad weather! I don't like the snow.
天气糟透了！我不喜欢下雪天。