名词
中文翻译：心跳加速
同义词：
['palpitation', 'palpitations']
例句：
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1. She was feeling a bit nervous before the presentation.
在演讲前，她有点紧张。
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2. He had a palpitation and felt dizzy.
他感到心跳加速，头晕目眩。
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3. After the heart attack, she experienced frequent palpitations.
心脏病发作后，她经常感到心跳加速。