名词
中文翻译：Unknown
同义词：
['bursting key', 'bursting lock key', 'sudden-opening key']
例句：
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3. 例句：1. The old man found the bursting key in his pocket and quickly unlocked the door.
老人在他的口袋里找到了这个突然打开的钥匙，并迅速打开了门。
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2. The sudden-opening key worked perfectly for the new security system.
这个突然打开的钥匙完美地适用于新的安全系统。
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3. The sudden-opening key was a lifesaver when the car broke down on the side of the road.
这个突然打开的钥匙在汽车在路上抛锚时救了我们的命。