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
and this is an important decision we have to make.
这又是我们必须做的一个重大决定。
OK. That'll be $12.00, please.
到了。请付12美元。
Yesterday a beggar knocked at my door.
昨天一个乞丐来敲我的门，