The roof is made from discarded tiles.该如何理解?人教版九年级英语 P122的课文中有这样一句话：The roof is made from discarded tiles.这句话中为何用be made from 而不用be made of?另外,他们和be made out of 有什么区别呢?
问题描述：
The roof is made from discarded tiles.该如何理解?
人教版九年级英语 P122的课文中有这样一句话：The roof is made from discarded tiles.这句话中为何用be made from 而不用be made of?另外,他们和be made out of 有什么区别呢?
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