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
The company is Craft and Craft,
这家公司叫Craft and Craft，
Industry if fortune's right hand, and frugality her left.
勤勉是幸福的右手，节俭是幸福的左手。
He was, above all, a man who experimented:
他首先是个实验工作者，