名词
中文翻译：冷却过程
同义词：
['cooling down', 'cooling off', 'cool-down', 'refrigeration process']
例句：
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1. The engine needs to be cooled down before it can be started again.
发动机需要冷却才能再次启动。
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2. During the cooling process, the temperature of the liquid is reduced.
冷却过程中，液体的温度会降低。
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3. The factory uses a cooling system to keep the production area cool and comfortable.
工厂使用冷却系统来保持生产区域凉爽舒适。