1. U C 油　 any of various thick slippery liquids that do not mix with water and burn easily
2. U 石油　 petroleum found in rock underground
3. C 油画，油画颜料　 picture painted in oil-colours; paints made by mixing colouring matter in oil

　add ～ on fire　火上加油
　add ～ on the flame(s)　火上加油
　burn ～　烧油
　burn the midnight ～　开夜车，工作或学习到深夜
　buy ～　买油
　drill for ～　钻油
　feed ～ to　向…注油
　find ～　找石油
　fuel with ～　以油为燃料
　hit ～　钻探到石油
　pour ～ into　把油倒进…
　pour ～ on fire　火上加油
　pour ～ on the flame(s)　火上加油，煽动
　produce ～　产油
　pump ～　用泵抽油
　put ～ on fire　火上加油
　put ～ on the flame(s)　火上加油
　reach ～　钻到石油
　strike ～　钻探到石油
　paint the ～s　画油画
　expensive ～　高价油
　heavy ～　重油
　light ～　轻油
　rich ～　丰富的石油
　animal ～　动物油
　coal ～　煤油
　cooking ～　烹调用的油
　corn ～　玉米油
　fuel ～　燃料油
　hair ～　发油，生发油
　household ～　家用油
　lamp ～　灯油
　machine ～　机油
　mineral ～　矿物油
　motor ～　马达油
　salad ～　色拉油
　vegetable ～　植物油，菜油
　～ box　油箱
　～ cakes　油渣饼，豆饼
　～ crop　油料作物
　～ deposits　石油储藏量，油田
　～ fields　油田
　～ lamp　油灯
　～ plant　油料作物
　～ shares　石油股票
　～ storage　油库
　～ well　油井
　～s painter　油画家
　～s painting　油画，油画术
　be fuelled by ～　靠油燃烧
　paint in ～s　画油画
　a film of ～　薄薄的一层油

　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。

 ♣ 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。

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.

　vt.　给…加油 put oil on or into (sth)

　～ the hinge　给铰链上点油
　～ the machine　给机器加油
　～ the tractor　给拖拉机加油
　～ the wheels of the bike　给自行车轮子上油
　～ appropriately　适当地加油
　～ immensely　大量地加油
　～ needlessly　不必要地加油
　～ prematurely　提前加油
　～ purposely　有目的地加油
　～ regularly　定期加油
　～ scientifically　科学地加油
　～ slowly　慢慢地加油

　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。
　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）