be made of和be made from 的区别是:
be made of 指发生物理变者悉化袭备. 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. 从酒拍嫌毁里看不出葡萄了
be made of 材料看轿手得见,即物理变化
be made from材料猛念看不见,即化学变化枝帆困
be made of
用...造成(用于原材料显闹消昌而易见的场合)
be made from
由...所做成液扒的(用于原材料不易看出的场合桥亩)