1、made of的意思是“由……製成”。
2、The gates were made of wrought iron. 這些大門是用熟鐵製成的。
3、The model of the building was made of card. 建築物的模型是用厚紙片製造的。
4、If its made of wood it will float. 這要是木材做的就能浮在水面上。