名词
中文翻译：安全杆
同义词：
['safety switch', 'safety handle', 'safety knob例句：1. The car has a safety lever on the steering wheel to prevent accidents.（汽车的方向盘上有一个安全杆，以防止事故。）2. The engineer used a safety lever to release the brakes before starting the engine.（工程师在启动发动机前使用了一个安全杆来释放刹车。）']
例句：
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1. The car has a safety lever on the steering wheel to prevent accidents.
汽车的方向盘上有一个安全杆，以防止事故。
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2. The engineer used a safety lever to release the brakes before starting the engine.
工程师在启动发动机前使用了一个安全杆来释放刹车。
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3.The worker had to use a safety lever to open the heavy door.
工人不得不使用一个安全杆打开沉重的门。