she is senior to me by tow years这句中 by是怎么回事

问题描述:

she is senior to me by tow years这句中 by是怎么回事
1个回答 分类:英语 2014-10-27

问题解答:

我来补答
表示 大我两级
by 表示程度,
比如 子弹擦过心脏2mm
The bullet passed his heart by 2 mm.
 
 
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