名词
中文翻译：Unknown
同义词：
['motor propulsion', 'power launch']
例句：
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1. The spacecraft used a motor launch to reach orbit.
航天器使用了发动机发射到达轨道。
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2. The new engine has a motor launch that can accelerate the car to 60 miles per hour in just 5seconds.
这款新引擎拥有一个强大的发动机发射，可以在5秒内将汽车加速到每小时60英里。
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3. The military aircraft used a motor launch to take off from the runway.
军用飞机使用发动机发射从跑道起飞。