谁能说情啊~
be made of 是由某种材料制成 但是没听说有be made up of 倒是有to make up是化装 to make sth up是假造,补偿 to make up for sth是补上 to make it up for sb是补偿某人
be made up of 由……组成 be made of由……造成
be made up of =consist of 由……组成 be made from/ of由……制成 be made from是化学变化,be made of is a physics change
be made up of 是由...组成 而 be made of 是用...造成,而且是用行能看出原材料的场合
make up of =make from
be made from 不能看出原材料:电视 be made of 能够看出原材料:桌椅 be made up of 由----组成:自行车、玩具