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be made of silk还是be made from silk

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/09/30 09:06:26
be made of silk还是be made from silk
silk看得见原材料吗
e 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 .