they could not even defend themselves (by) running swiftly l

问题描述:

they could not even defend themselves (by) running swiftly like the horses .这里为什么要填by?怎么翻译
1个回答 分类:英语 2014-09-26

问题解答:

我来补答
y在这里做介词,表示所依靠的办法和所凭借的方式.
它们无法保护自己即使像马一样敏捷地奔跑.
 
 
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