1.oil用作动词意思是“给…加油”,通常指在机器或零件上滴上或喷上矿物油以减少摩擦力,或者把织物浸油以防水。
2.oil多以表示机器或机器的某一零件的名词作宾语。可用于被动结构。

用作及物动词
▲S+～+n./pron.
You must oil the tractor every day.你必须每天给拖拉机加油。
You should oil the machine once a week.你应该一周给机器加一次油。
The worker oils the machine to operate it more efficiently.工人给机器上油以使机器运转更有效。
◇ 用于be ～ed结构
We consider it necessary that the machine should be oiled regularly.我们认为机器必须定期加油。

［词源］  ＜古法语oile(油)

1.oil的基本意思是“油”,指一种不溶于水且易燃烧的液体,可指各种各样的“油”,也可指“石油”, oil还可指“油画,油画颜料”。
2.oil作“油”解时通常为不可数名词,但在表示种类时则可用作可数名词; 作“油画,油画颜料”解时常用复数形式。
3.oil前一般不加不定冠词,但当其指油的一个种类或油的一个部分时,其前可加不定冠词; 指油产品时,也可加不定冠词。

pour oil on (the) flame(s)
火上浇油 make sb angrier
Don't remind him of the cause of his anger, that would be pouring oil on flames.不要向他提起他发怒的原因,那会使他怒气更旺。

strike oil
1.发现油矿 discover oil
After drilling for several weeks they finally struck oil.他们钻探了几个星期,终于发现了油矿。
2.有重大发现 make important discover
You're acting as if you struck oil.瞧你这样子好像有什么重大发现似的。

Oil and water do not mix.油和水不能相溶。
In this plant oil is supplementary to coal as fuel.在这个工厂,油是煤的补充燃料。
They have an electric generator which uses oil.他们有一台燃油的发电机。
Valuable deposits of oil have been found by drilling.通过钻探发现了很有开采价值的油层。
Animal and vegetable oils are used in cooking and medicine.动物油和植物油都可以用来烹调和制药。
The oil is for external application only.这种药油只供外用。
The lubricating oil does not clog or gum.润滑油既不会凝结也不会发粘。
Aircraft use petrol, a very fine oil.飞机使用汽油,那是一种炼得很纯的油。
Mineral oils are used for fuel.各种不同的矿物油都可用作燃料。
When spilled into the sea, oil can be toxic to marine plants and animals.石油溢入海洋可能危害海生动植物。
There are still vast virgin reserves of oil under the sea.海底还有大量未利用的石油资源。
The price of oil has gone up.石油的价格已经上涨了。
This oil painting is his pet and darling work.这幅油画是他的得意之作。
He is good at painting in oils.他擅长画油画。
This is a portrait in oils.这是一幅油画像。

1.我们国家有许多石油。
［误］  Our country has many oil.
［正］  Our country has plenty of oil.
［析］  oil作“石油”解时是不可数名词,不能用many来修饰,应该换用修饰不可数名词的词或词组,如much, plenty of, a great deal of, a large amount of等。
2.一幅油画常常远看更好一些。
［误］  A painting with oil often looks better at a distance.
［正］  A painting in oils often looks better at a distance.
［析］  oil作“油画颜料”解时,为可数名词,表示“用某种颜料”时,介词用in不用with。