用…造成（用于原材料显而易见的场合）...

The taps appeared to be made of solid gold.水龙头似乎是用纯金制成的。The pipes should be made of plastic .这些管子应该是用塑料制作的。A boat must be made of buoyant material.船一定要用有浮力的材料来做....

be made of的音标：be made of的英式发音音标为：[bi: meɪd ɔv]be made of的美式发音音标为：[bi med ʌv]...