来源:《大学英语》1983年第01期 作者:田之秋
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Tornadoes

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<正> The great power of tornadoes is almost unbelievable. The speedof this whirling funnel-shaped wind may be more than 500 miles perhour. It can tear up trees, carry buildings away, and can even lift largetrucks off the highway. The tornado is like a giant vacuum sweeperthat sucks up anything in its path. Experts believe that the most viol-ent force of a tornado is found inside the funnel, where a vacuum is creat-ed because of very low air pressure. When this vacuum moves over a(本文共计3页)       [继续阅读本文]

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大学英语杂志1983年第01期
大学英语
主办:北京高教学会大学英语研究会;北京航空航天大学
出版:大学英语杂志编辑部
出版周期:月刊
出版地:北京市

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