be made of silk还是be made from silksilk看得见原材料吗

来源:学生作业帮助网 编辑:作业帮 时间:2024/06/06 18:57:19

be made of silk还是be made from silk
silk看得见原材料吗

be made of
用...造成(用于原材料显而易见的场合)
be made from
由...所做成的(用于原材料不易看出的场合)
eg.The bridge is made of steel.
这座桥是用钢材造的.
试比较:Steel is made from iron.
钢是由铁炼成的.
silk看得见原材料,所以这里用be made of silk .