雪花沿着地面卷来，它越靠近，就越大。
The flakes ran along the ground, and the nearer they came the larger they grew.
就在哥伦比亚号飞离加利福尼亚州后1分钟，也就是靠近犹他州西南处时，地面的观察者已经能够看出麻烦越来越明显了。
One minute after the Columbia left California, as it neared southwestern Utah, the trouble was becoming more obvious to observers on the ground.
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