名词
中文翻译：低速
同义词：
['slow speed', 'slow velocity例句：1. The car was moving at a low specific-speed when it hit the guardrail.（当汽车撞到护栏时，它以低速行驶。）']
例句：
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1. The car was moving at a low specific-speed when it hit the guardrail.
当汽车撞到护栏时，它以低速行驶。
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2. The train's low specific-speed made it difficult to follow.
火车的低速使得难以跟踪。
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3.The aircraft is flying at a low specific-speed due to the wind.
由于风力作用，飞机以低速飞行。