请教一题，谢谢

phoenix5678 · 发表于 2007-8-22 10:41:00

According to Davis’ scheme, the shoreline is being extended in a seaward direction because of the “land –building “role of mangroves, which , by trapping sediments over time ,extend the shore.

请教在此WHICH指代了什么，是前面一句话吗？怎么理解这句话？

谢谢！

margaret1970 · 发表于 2007-8-22 10:58:00

which refer mangroves

mba_2008 · 发表于 2007-8-22 11:10:00

phoenix5678 · 发表于 2007-8-22 16:38:00

那么ＷＨＩＣＨ的后面就不应有逗号啊，非限定定语从句修饰什么呢＞？

请教一题，谢谢

请教一题，谢谢

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