两个英语词组的区别be made of和be made from

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/16 18:36:50

两个英语词组的区别
be made of和be made from

be made of
用...造成(用于原材料显而易见的场合)
be made from
由...所做成的(用于原材料不易看出的场合)

be made of 材料看得见,即物理变化
be made from材料看不见,即化学变化

be made of和be made from 的区别是:
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