| 单词 | lubricating oil |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔laminar flow〕Nonturbulent flow of a viscous fluid in layers near a boundary, as that of lubricating oil in bearings.层流：粘滞性流体在固体边界附近的非湍流，如轴承里的润滑油美国传统〔whale oil〕A yellowish oil obtained from whale blubber, formerly used in making soap and candles and as a lubricating oil.鲸油：从鲸脂中获得的黄色油脂，原先用于制造肥皂和蜡烛，并可用作照明油美国传统 |
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