Members of Congress from Texas, Louisiana and Mississippi are appealing to the administration to shorten the six-month moratorium.
VOA: special.2010.06.19
That's the harmonic series that's on that, and what the valves do is they shorten and lengthen that vibrating column of air very much like the cello string on the fingerboard.
这就是圆号上的泛音列,活瓣的作用是增长或减短,空气柱的高度,很像大提琴指板上的弦
We have used it in order to shorten the agony of war, in order to save the lives of thousands and thousands of young Americans.
VOA: special.2009.06.14
The delays forced NASA officials to shorten the shuttle's mission by one day and eliminate one space walk.
VOA: standard.2009.03.15
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