形容词
中文翻译：Unknown
同义词：
['high-velocity', 'high-speed', 'high-speed operation']
例句：
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1. The car was traveling at a high-speed on the highway.
这辆汽车在高速公路上以高速行驶。
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2. The aircraft is equipped with high-speed jet engines.
这架飞机配备了高速喷气发动机。
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3. The train operates at high-speed to reach its destination in record time.
火车以高速运行，以最快的时间到达目的地。