be made of 、be made from及be made up of的区别

问题描述:

be made of 、be made from及be made up of的区别

首先都是被动
make up of 由.组成,包含有
make of 的原材料是看的到的,比如make of wood
make from的原材料是看不到的,比如Paper is make from trees.从纸上是看不出一棵树滴.