名词
中文翻译：触发杆
同义词：
['trigger', 'trigger pin', 'trigger rod例句：1. The trigger bar on the gun is responsible for firing the weapon.（枪上的触发杆负责发射武器。）']
例句：
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1. The trigger bar on the gun is responsible for firing the weapon.
枪上的触发杆负责发射武器。
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2. The trigger bar on the keyboard is used to press the spacebar.
键盘上的触发杆用于按下空格键。
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3. The trigger bar on the camera is sensitive and can be easily adjusted.
相机上的触发杆敏感，可以很容易地调整。