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标题: 请教阅读中一句话的意思和用法 [打印本页]

作者: kjhgjh 时间: 2004-10-31 18:50 标题: 请教阅读中一句话的意思和用法

Low levels of straying

are crucial, since the process

provides a source of novel

genes and a mechanism

by which a location can be

(40) repopulated should the fish

there disappear. Should the fish there disappear 在这儿是怎样用法啊

作者: teyvhf 时间: 2004-10-31 18:54

我自己把它想明白了．应该是等于if the fish there should disappear ,表虚拟语气。

对吗，请指教

作者: himba 时间: 2004-10-31 18:55

对了！！！！！！！！！！

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