be made of的用法和样例：
例句
- People used to test coins that were offered in payment, to see if they rang true or were made of false metal.
过去人们在收到付款时，常常试扔一下硬币，听听其声音是真的，还是由假金属制作的。 - The fence was made of posts joined together with wire.
篱笆是以铁丝连接起木桩而构成的。 - Light often behaves as if it were made of particles.
光常常表现出好象它是由粒子组成似的。 - The doors of the palace were made of beaten gold.
宫殿的门由金箔做成。
be made of的相关资料：
近反义词
【近义词】
- be made up of 由 ... 构成
- be made in 在 ... 生产或制造...
- be made from 由 ... 制造
