1、The birds traveled up to 4, 200 miles at an average speed of 60 miles an hour.
它們以平均每小時60英里(97千米)的速度完成了長達(dá)4200英里(6760千米)的旅程。

2、The boat will travel at at an average speed of 7.5 knots — about the same as an oil-tanker.
這只船的平均航行速度是7.5節(jié)，和油輪的速度大致相同。

3、The Marathoner ran at an average speed at the beginning of the race.
那位馬拉松運動員開始時以中速賽跑。

4、The average speed of 9 periods of hurdling is the main factor in fluencing.
個跨欄周期的平均速度是影響運動員能否奪冠的主要因素。

5、The French TGV from Paris to Lyon, by contrast, runs at an average speed of 140mph.
相反，法國巴黎至里昂的高速鐵路平均時速高達(dá)140英里。

6、And I will show you now what is the average speed between time zero and four.
現(xiàn)在我要給你們看的是，0到4秒間的，平均速率。

7、So the average speed 5m/s is 4.5 meters per second, 0 but the average velocity is zero.
因此平均速率,是4。,但是平均速度是。

8、The average speed for errors was 4 meters per second.
產(chǎn)生誤差的平均速度是每秒4米。

average speed翻譯