名词
中文翻译：收缩
同义词：
['shortening', 'shortening process例句：1. The muscle contracted as the person lifted the weight.（当这个人举起重量时，肌肉收缩了。）']
例句：
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1. The muscle contracted as the person lifted the weight.
当这个人举起重量时，肌肉收缩了。
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2.The temperature dropped as the day turned colder.
随着天气变冷，温度下降了。
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3. The company's profits have been contracting for the past few years.
这家公司过去几年的利润一直在减少。