be made by 用法（be made by）

1、be made of:The table is made of wood. 桌子是由木头制成的。

2、 be made from :Paper is made from wood. 纸是由木头制成的。

3、 be made by:The model car was made by him.这个模型汽车被他买了。

4、 be made in：This watch is made in China. 这个手表是中国制造的。