be made up of, be made of, be made from, be made into 區(qū)別

(1) be made up of 由……組成。
 
　　The United States is made up of fifty states.
 
　　美國由五十個州組成。
 
　　(2) be made of 由……制成 (成品看得出原料)。
 
　　The table ismade of wood.
 
　　這張桌子由木材制成。
 
　　(3) be made from 由……制成(成品看不出原料)。
 
　　This kind of paper is made from wood.
 
　　這種紙張由木材制成。
 
　　(4) be made into 由(原料)……制成(成品)。
 
　　The bamboo can be made into many useful things.
 
　　竹子可以制成很多有用的東西。