名词
中文翻译：冲洗油
同义词：
['cleaning oil', 'lubricating oil']
例句：
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1.The machine needs flushing oil to keep it running smoothly.
机器需要冲洗油来保持其顺畅运行。
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2. Lubricate the gears with flushing oil before starting the engine.
在启动发动机之前，用冲洗油润滑齿轮。
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3. The car's engine needs a good flushing oil change.
汽车的发动机需要一次好的冲洗油更换。