student asking question

What does "triggers" mean?

teacher

Native speaker’s answer

Rebecca

As a noun, a "trigger" is some sort of device that causes something to happen or sets off an action once it is activated. The "laser beam alarm triggers" in this video refer to the trigger of a laser beam, which is a thin red light that will cause an alarm to go off if it is touched. One of the most common situations to use "trigger" in is when referring to the part of a gun that is pushed to shoot the bullet. Here's a few examples of other uses of "trigger": Ex: He pulled the trigger of the gun and shot at the target. Ex: Pulling this trigger can release a parachute in case of an emergency.

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