“be made of”和“be made from”的使用對象不同：
1、“be made of”表示制成成品後，仍可看出原材料是什麽，保留原材料的質和形狀，制作過程僅發生物理變化。
如：The kite is made of paper。風箏是用紙做的。
2、“be made from”表示制成的東西完全失去了原材料的外形或特征，或原材料在制作過程中發生化學變化，在成品中已無法辨認。
如：The paper is made from wood。紙是木頭做的。
be made of
英[bi me?d ?v]
美[bi me?d ?v]
[詞典] …制的;
[例句]The urn appeared to be made of some sort of bronze.
這甕看起來像是某種青銅制的。
be made from
英[bi me?d fr?m]
美[bi me?d fr?m]
[詞典] 由…制成的;
[例句]There's money to be made from tourism.
旅遊業非常有利可圖。