单词	oil
释义	noun | verb oiloil1 /ɔɪl/ ●●● S1 W1 noun Etymology ETYMOLOGYoil1 Origin: 1100-1200 Old French oile, from Latin oleum olive oil Collocations COLLOCATIONS► vegetable/olive/peanut etc. oil  a bottle of olive oil ► in oils  Mostly I paint in oils. 1 [uncountable] a smooth thick mineral liquid that is burned to produce heat, or used to make machines run easily:  Have the oil in your car changed regularly. an oil-burning heating system2[uncountable] earth science the thick dark liquid from under the ground from which oil and gasoline are produced SYN petroleum:  Oil prices rose significantly last month.3[countable, uncountable] a smooth thick liquid made from plants or animals, used in cooking or for making beauty products:  Fry the chicken in a little oil. Rub the oil gently into the skin.vegetable/olive/peanut etc. oil a bottle of olive oil4oils [plural] eng. lang. arts paints that contain oil, used by artists SYN oil paint:  Mostly I paint in oils.5[countable] eng. lang. arts a painting done in oils [Origin: 1100–1200 Old French oile, from Latin oleum olive oil] → see also burn the midnight oil at burn1 (15) noun | verb oiloil2 verb [transitive] Verb Table VERB TABLE oil Simple Form Present I, you, we, they oil he, she, it oils Past I, you, he, she, it, we, they oiled Present perfect I, you, we, they have oiled he, she, it has oiled Past perfect I, you, he, she, it, we, they had oiled Future I, you, he, she, it, we, they will oil Future perfect I, you, he, she, it, we, they will have oiled Continuous Form Present I am oiling he, she, it is oiling you, we, they are oiling Past I, he, she, it was oiling you, we, they were oiling Present perfect I, you, we, they have been oiling he, she, it has been oiling Past perfect I, you, he, she, it, we, they had been oiling Future I, you, he, she, it, we, they will be oiling Future perfect I, you, he, she, it, we, they will have been oiling to put oil into or onto something, such as a machine, in order to make it work more smoothly:  I oiled the hinges on the door.
随便看	ferocious ferociously ferociousness ferocity ferret ferris wheel ferrous ferrule ferry ferryboat ferryman fertigation fertile Fertile Crescent, the fertility fertility drug fertility rate fertilization fertilize fertilizer fervency fervent fervently fervid fervidly

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