名词
中文翻译：弹簧触发式点火针
同义词：
['spring-loaded firing pin', 'spring-actuated firing pin例句：1. The new car has a spring-activated parking brake that can be released with the push of a button.（新款汽车有一个弹簧触发式的驻车制动器，可以通过按下按钮释放。）']
例句：
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1. The new car has a spring-activated parking brake that can be released with the push of a button.
新款汽车有一个弹簧触发式的驻车制动器，可以通过按下按钮释放。
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2.The engineer used a spring-activated firing pin to make the machine run smoothly.
工程师使用一个弹簧触发式点火针使机器运行顺畅。
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3. In the old days, people used spring-activated firing pins to fire their guns.
在旧时代，人们使用弹簧触发式点火针来开枪。