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  • undersea mountains generally form when volcanic mountains rise up from the seafloor but fail to reach the surface,while

    undersea mountains generally form when volcanic mountains rise up from the seafloor but fail to reach the surface,while (those that) break the surface become islands.
    這里that有什么意義?
    定語從句that which一般情況可以省略嗎?什么時候不能省略?
    英語人氣:509 ℃時間:2020-05-18 18:18:33
    優(yōu)質(zhì)解答
    undersea mountains(主語) generally form(謂語) when volcanic mountains rise up from the seafloor but fail to reach the surface時間狀語while (those《those 指代volcanic mountains 》 that break the su...
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