to apply oil

基本解释

If you want long and healthy hair, you have to apply oil .
实现头发短时间内增长，你需要健康和平衡的饮食。
It is wise to apply the oil of refined politeness to the mechanisms of friendship.
智者将优雅礼貌的油涂抹在友谊的结构。
It is vital to apply lubricating oil to the gears as this will not only help it run smoothly, but also protect it from dust.
重要的是适用于润滑油的齿轮，因为这不仅将有助于它顺利地运行，而且还保护它免遭灰尘。

They work, they invest, they put their heads to the task, they apply technology, and pretty soon they'll discover how to extract oil profitably from oil sand.
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That would apply not only to a huge number of geothermal sites, but also to many oil wells, which often bring up warm water from great depths along with their more valuable output.
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Turn to oil, and the details are more nuanced, but the same price risk fundamentals apply for Beijing.
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