Mineral oils are used to lubricate machinery.

矿物油被用来润滑机器。

《柯林斯英汉双解大词典》

It would cause great trouble not to lubricate the bearing immediately.

不立刻光滑轴承就会惹起很大的毛病。

youdao

Some of this cash is used to lubricate dollar-based international trade.

其中一部份用于促成美元交易的国际贸易。

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They are even prepared to argue that Israel's security must be further eroded in order to lubricate this fool's-errand.

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These are discretionary accounts that senior officers have been able to draw upon to lubricate the process of transforming Iraq.

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Drilling engineers use tons of a thick fluid called drilling mud to lubricate drill bits as they chew through rock.

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