| 单词 | attain a speed |
| 释义 | attain a speed It was also the first research submersible to attain a speed of 10 mph underwater. Retrieved from Wikipedia CC BY-SA 3.0 It was intended to fit a 1200 hp engine to attain a speed much superior to all existing medium tank types. Retrieved from Wikipedia CC BY-SA 3.0 The builders hoped to attain a speed of 20 kn with the turbine machinery. Retrieved from Wikipedia CC BY-SA 3.0 Often the catch car may overshoot its ending position and down itself if it can not attain the speed within parameters. Retrieved from Wikipedia CC BY-SA 3.0 In the process he was expected to attain a speed in freefall faster than the speed of sound, and reach speeds upward of 1000 mph. Retrieved from Wikipedia CC BY-SA 3.0 |
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