1、Playing the piano, riding a bicycle, walking at a speed of 2 mph
彈鋼琴、騎電單車、以每小時2哩速度步行。

2、A photograph taken at a speed of i-1-250 of a second
秒的快門速度拍攝的照片

3、Correct decisions came when the referees were moving at a speed of about 2 meters per second.
當裁判以每秒兩米的速度移動時，裁判做出了正確的判罰。

4、The train is running at a speed of 70 miles an hour
火車正以時速七十哩行駛著。

5、Light travels at a speed of 300,000 km per second
光以每秒30萬千米的速度傳播。

6、The car runs at a speed of 1 km per minute.
小轎車以每分鐘1千米的速度行使。

7、Raindrop fall at a speed of about500 to1, 000 feet a minute.
雨點以每分鐘大約五百到一千英尺的速度下降。

8、The train is travelling at a speed of sixty miles an hour
火車正以每小時六十英里的速度行駛

9、The car went at a speed of 100 kilometers an hour.
那輛車子是以每小時100公里的速度開過去了。

10、The car went at a speed of 100 kilometers an hour
那輛車子是以每小時100公里的速度開過去了。

11、It is said that jet plane can fly at a speed of more than 2000 miles per hour.
據(jù)說噴氣式飛機可以以每小時2000多里的速度飛行。

12、Movie cameras typically operate at a speed of about 24 frames per second.
電影攝像機通常是以大約一秒24幀的速度運轉的。

13、Raindrop fall at a speed of about500 to1, 000 feet a minute
雨點以每分鐘大約五百到一千英尺的速度下降。

14、Light travels at a speed of 300,000 km per second.
光以每秒30萬千米的速度傳播。

15、We are being whirled around the sun at a speed of nineteen miles a secend
我們正以每秒19英里的速度圍繞大陽運行。

16、The shooting stars are falling at a speed of 66 km per second.
該流星群速度可達每秒66公里。

17、The car runs at a speed of 1 km per minute
小轎車以每分鐘1千米的速度行使。

18、The train is running at a speed of 70 miles an hour.
火車正以時速七十哩行駛著。