题目内容：

be made of /from/by的区别

优质解答

be made of 指发生物理变化.如:The class is made of 60 students.The desk is made of wood.
be made from 指发生了化学变化.如:The wine is made of grapes.从酒里看不出葡萄了
还有上面的翻译,因为china都是小写的,所以应该翻译成"瓷".
and ate it up for tea 是为了和上面压韵,译成"边喝着茶边吃光了"
made by ---made by me