be made from /of ...由.....制成
Nylon is made from air, coal and water. 尼龙是由空气、煤和水加工制成。
Some bowls were made of pottery and wood. 一些碗是用陶土和木头制成的。
be made of ....是指表面看得出是什么做的
be made from 指表面看不出由什么制成的东西
be made of
be made from
bemadeupfrom
be made of
be made from
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