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  • What it was to become was uncertain until between 4.5 and 3.8 billion years when the dust settled

    What it was to become was uncertain until between 4.5 and 3.8 billion years when the dust settled
    into a solid globe.
    when引導的這個從句是什么句子?
    英語人氣:690 ℃時間:2020-06-13 01:18:19
    優(yōu)質解答
    時間狀語從句.
    接在4.5 and 3.8 billion years 后,表示在這個時間塵埃落定后,一切明朗之類的.
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