名词短语
中文翻译：现场的人
同义词：
['on the spot', 'right away', 'promptly']
例句：
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1. The policeman was called to the scene of the accident immediately after it happened.
警察被叫到事故现场，事故发生后立即。
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2. The manager decided to make a change on the spot because he didn't like the way things were going.
经理决定当场做出改变，因为他不喜欢事情的发展方式。
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3. He was on the spot when the fire broke out and managed to save several people from danger.
火灾发生时，他立刻在现场，成功地救出了几个人。