柯林斯詞典essential oil 1. N any of various volatile organic oils present in plants, usually containing terpenes and esters and having the odour or flavour of the plant from which they are extracted: used in flavouring and perfumery 植物精華油→compare fixed oil 返回 essential oil劍橋詞典an oil , usually with a strong smell , that is taken from a plant and is used to make perfume , or for rubbing into a person's body during massage （香）精油 Lavender, peppermint , and jasmine are essential oils that are widely available . 燻衣草油、薄荷油和茉莉香精是很多地方都可以買到的精油。 返回 essential oil