名词
中文翻译：快动作开关
同义词：
['fast action switch']
例句：
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1.The new car has a snap-action switch for the driver's seat.
新车的驾驶座位有一个快动作开关。
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2. The camera has a snap-action switch that allows you to adjust the focus quickly.
相机有一个快动作开关，可以让你快速调整焦点。
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3.The fire alarm system has a snap-action switch that activates the siren when someone triggers it.
火警系统有一个快动作开关，当有人触发它时会激活警报器。