他们可以选择减短两年MBA学习时间。
减短淋浴的时间,当你在刷牙的时候请把水龙头关紧。
Keep your showers short, and shut off the water while you're brushing your teeth.
他们表示,情况很可怕,有可能会减短人类的寿命。
The situation is so dire it might shave time off people's lives, they suggest.
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
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