英语的短语用法区别

be made of 由.制成（在某物种能看得见原材料）；
e.g.this pen is made of metal.
be made from 由...制成（在某物种看不见原材料,即发
生了化学变化.
e.g.salt is made from sea water.
be made in 有某地制造
e.g.the tv is made in shanghai.
be made by 由谁制造
e.g.the new machine was made by the works.
be made into 把...制成
e.g.wood can be maed into some kinds of things now.
be made as 把...作为
e.g.English is shoken by more than 400 million
people as their first language.