MADE FROM 与MADE OF 的区别?

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MADE FROM 与MADE OF 的区别?

MADE FROM 与MADE OF 的区别?
MADE FROM 与MADE OF 的区别?

MADE FROM 与MADE OF 的区别?
分析:玻璃制成黑板经历了化学变化应用from合适.
made of 与made from 区别如下:
(1)用以制造的原料已改变,而无法复原的用from(化学变化)
例:Wine is made from grapes .酒是葡萄酿成的.
(2)该原料未改变可辨出来的用of(物理变化)
made from 物理性质为主
made of 化学性质为主
例:The house is made of wood .
这栋房子是木制的.

made from 物理性质为主(看的出来)
made of 化学性质为主 (看不出来)

made from 物理性质为主
made of 化学性质为主

made from 从..制作成的。例如一件衣服由另一件改的。
made of用..做成的。如一件衣服由丝绸做的.