be made of

汉语翻译

词意辨析：

be made of, be made in, be made from, be made by, be made up of

这些都是make+介词的固定搭配。
be made of: 表示“由......制成”，指从原料到制成品，只发生了形状变化，没有发生本质变化（属物理变化）。
be made in: 当后面接指时间的数词或名词时，表示“某物何时制造的或何时产的”。当后面接指地点的名词时，表示“某地产某物”。
be made from: 表示“由......制成”，指从原料到制成品，发生了质的变化，已无法复原（属化学变化）。
be made by: 表示“由......制做”，后面接指人的名词或代词，强调动作的执行者。
be made up of: 表示“由......构成（组成）”，强调主语由两部分或两个以上的部分构成或组成。

例句：

1. 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。
2. 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。
3. 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。
4. The doors of the palace were made of beaten gold.
   宫殿的门由金箔做成。