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    字数:153个 · 易读度:极难
    来源:China Daily · 2020-09-12
    阅读:1860
    China-EU rail links prove vital
    字数:176个 · 易读度:极难
    来源:China Daily · 2020-09-18
    阅读:1885
    China to brace for holiday rush
    字数:156个 · 易读度:极难
    来源:China Daily · 2020-09-19
    阅读:1959
    Boeing and FAA slammed for crashes
    字数:198个 · 易读度:困难
    来源:英语世界 · 2020-11-10
    阅读:1821
    This Is Why Aeroplane Windows Are Rounded
    字数:495个 · 易读度:标准
    来源:林晓洁 · 2021-02-04
    阅读:2636
    Changing the altitude of flights decreases contrails that affect the weather