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- 平均来说，八级大风每小时风速达40英里，十一级风暴达56英里，而十二级飓风则达90英里。
On an average a strong gale moves at the rate of40 miles an hour, a storm at about56 and hurricanes at90.
- 换句话说，当风速为每小时一百二十公里时大部分波浪高约为十二米。
In other words, when the wind is blowing at120 kilometers per hour, most waves will be about twelve meters.
- 当风速增加每小时80英里时，一棵接一棵的树被刮倒了。
As the wind rose to eighty miles an hour, tree after tree crashed down.
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