The boy sat at the desk with his hand raised 为什么是raised

题目

The boy sat at the desk with his hand raised 为什么是raised
为什么是ed

答案

因为raise是及物动词(vt),这里是过去分词修饰它的作用对象his hand(根据短语raise one's hand),意思是“手(被)举着”,相当于：The boy sat at the desk.His hand was raised.