求助英语make…of与make…from的区别,且举实例!

be made of和be made from 都是“用……制成”的意思,介词of和from都可以表示一件制成的东西所用的原料,但两者在用法上是有区别的.
be made of 表示制成成品后,仍可看出原材料是什么,保留原材料的质地形状,制作过程仅发生了物理变化.be made from 表示制成的东西完全失去了原材料的外形或特征,或原材料在制作过程中发生了化学变化,在成品中已无法辨认.试比较：
① The desks and chairs are made of wood.这些课桌椅是木材制成的.
②The ink bottles are made of glass.墨水瓶是玻璃制成的.
③ Salt is made from sea water.盐是用海水制成的.
④ This kind of wine is made from wheat.这种酒是用小麦制成的.
⑤ Books are made of paper and paper is made from wood.书是纸制成的,而纸是用木材制成的