mead of和mead from的区别

你说的应该是be made of 和be made from吧?
一般be made of 用于你能一眼看出来原料的东西,如
the desk is made of wood.
be made from 用于从外观上看不出来原料的,如
the pill is made from herbs.药片是草药制成的.（但是草和药片形状有很大差异,从外观上已经看不出.）
主要的区分方法就是这样.