阅读里的语法问题，求解

lpbird · 发表于 2011-9-14 11:56:40

Low levels of straying are crucial, since the process provides a source of novel genes and a mechanism by which a location can be repopulated should the fish there disappear.an environmentally degraded stream could be recolonized by new salmon populations should the stream recover

楼主语法基础不好，有颜色部分是什么结构呢，做什么成分呢？请教

isariverson · 发表于 2011-9-19 11:05:29

属于虚拟语气的倒装

lpbird · 发表于 2011-9-19 09:25:38

哦，有这个意思吗，谢谢

isariverson · 发表于 2011-9-16 20:24:44

should前提表＂如果＂含义

lpbird · 发表于 2011-9-16 20:08:35

顶一下

阅读里的语法问题，求解

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