这个男孩给老师看他敷着石膏的断臂，说明他未能完成作业的原因。

这个男孩给老师看他敷着石膏的断臂，说明他未能完成作业的原因。的英文翻译

基本释义

• The boy explained away his unfinished homework by showing the teacher his broken arm in a cast (=The boy showed his teacher his broken arm, and that explained why he couldn't write his homework).