the model plane is made of used wood and glass 为什么要用used捏?去掉直接说be made of wood and glass不行吗
问题描述：
the model plane is made of used wood and glass 为什么要用used捏?去掉直接说be made of wood and glass不行吗
答
used 意思是用过的,飞机模型是用用过的木头和玻璃做成的哦哦 我把它想成被动语态了被动语态的结构是be done,必须有be动词