名词
中文翻译：冷却油
同义词：
['refrigerant oil', 'lubricating oil']
例句：
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1.The engine needs some cooling oil to keep it running smoothly.
发动机需要一些冷却油来保持其平稳运行。
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2. During the summer, we use a lot of cooling oil to keep our car cool.
夏天，我们使用很多冷却油来保持我们的车凉爽。
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3. The mechanic replaced the old cooling oil with fresh one for better performance.
机械师用新鲜的冷却油替换了旧的，以获得更好的性能。