Do not run - up . sha airport is closed due to bad weather , ceiling and visibility below minimum . we want to know when you make out your decision 不要开车，上海机场关闭，因为坏天气，云高和能见度低于标准，我们想知道你何时做出决定。
That summer , a series of ferocious sandstorms hit , turning the sky yellow , closing the airport and filling hospitals with people who couldn ' t breathe 那年夏天，一波波凶猛的沙尘暴来袭，黄沙遮蔽天空，机场关闭，医院挤满呼吸困难的病患。
As little as a millimeter , which could well dust the ground halfway around the globe , would shut down airports and dramatically reduce agricultural production 即使全球半数的地表仅薄薄覆盖一层一公?厚的火山灰，也足以造成机场关闭，并使农作物产量明显减少。
