由.....制成用英语怎么说

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 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。

by made

be made of
be made from

be made of / be made from