名词
中文翻译：快速收缩
同义词：
['rapid contraction', 'rapid expansion']
例句：
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1. The muscles in the athlete's arms are undergoing a rapid contraction.
运动员手臂的肌肉正在经历快速收缩。
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2. The plant is experiencing a rapid expansion due to the increase in sunlight.
由于阳光的增加，植物正在经历快速扩张。
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3. The company's stock price has seen a rapid rise since its initial public offering.
自首次公开募股以来，该公司的股票价格已经迅速上涨。