Simonebe made of和be made up of区别
的有关信息介绍如下：
be made of和made up of 意思都是：由....制成
be made of 用…造成 (一般可以看出原材料)
如：A boat must be made of buoyant material。 船一定要用有浮力的材料来做。
be made up of 由…组成 ( 是不可看出原材料的,例如纸是用木材制成的)
如：Plato conjectured each of these elements to be made up of a certain Platonic solid.
柏拉图推测每一种元素都是由某些理想立方体组成
