The pipes should be made of plastic.
这些管子应该是用塑料制作的。
Waste materials can still be made use of.
废物还是可以利用的。
My, it must be made of copper.
哇，这只苹果准是铜做的吧。
The taps appeared to be made of solid gold.
水龙头似乎是用纯金制成的。
only the rough guess and estimate can be made of it.
对此只能作出一个粗略的测算。
Everybody should be made aware of the risks involved.
应该让人人都知道其中的风险。
温馨提示：
