一个左右手均能击球的棒球运动员，他的跑垒速度很快。

A switch-hitter, he has very good speed on the bases.

《柯林斯英汉双解大词典》

从1945年到1965年，美国的经济生产力以每年3%的速度增长，而自1970年代初以来，它的年增长率仅为1%左右。

Whereas United States economic productivity grew at an annual rate of 3 percent from 1945 to 1965, it has grown at an annual rate of only about 1 percent since the early 1970s.

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以这种速度降下去，人们担心目前还在5%左右的通货膨胀将有可能转变为紧缩。

With remarkable speed, worries have shifted from inflation, which is still around 5%, to deflation.

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