... first rate ==> 第一流的 first record of a set ==> 集的第一记录 first reduction gear pinion ==> 第一级减速小齿轮 ...
双语例句
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Indeed, if the developed world as a whole suffers an absolute decline in 2009, next year is set to be the first year on record when emerging economies account for more than 100% of world growth.
In 1997 at Black Rock Desert, Nevada, he drove Thrust SSC to become the first person to break the sound barrier in a car and set the existing land-speed recordof 763mph.