| 单词 | 煤油 |
| 释义 | 〔petroleum〕A thick, flammable, yellow-to-black mixture of gaseous, liquid, and solid hydrocarbons that occurs naturally beneath the earth's surface, can be separated into fractions including natural gas, gasoline, naphtha, kerosene, fuel and lubricating oils, paraffin wax, and asphalt and is used as raw material for a wide variety of derivative products.石油：一种粘稠易燃的、颜色从黄到黑的汽体、液体和固态碳氢化合物的混合物，天然存在于地表之下，可以分离成多种成份，包括天然气、汽油、挥发油、煤油、燃料和润滑油、石蜡和沥青，作为原材料广泛地用于各种各样衍生产品中〔drain〕Gasoline drained slowly from the tilted can.煤油慢慢从倾斜的油罐里流出来〔indene〕A colorless organic liquid, C9H 8, obtained from coal tar and used in preparing synthetic resins. 茚：一种无色的有机液体，C9H 8，从煤油中取得并用于配制人工合成树脂 〔kerosene〕A thin oil distilled from petroleum or shale oil, used as a fuel for heating and cooking, in lamps, and as a denaturant for alcohol. Also called coal oil ,lamp oil 煤油：从石油或页岩油中提取的一种稀油，用于加热或做饭的燃料，也用于点油灯和做酒的变性剂 也作 coal oil,lamp oil〔quinoline〕An aromatic organic base, C9H 7N, having a pungent tarlike odor, synthesized or obtained from coal tar, and used as a food preservative and in making antiseptics and dyes. 喹啉，氮（杂）萘：一种芳香的有机碱，C9H 7N，有一种刺鼻的类似焦油的气味，从煤油中提取或人工合成，用作食品防腐剂，并用在制造防腐剂和染料中 〔hydrocracking〕A process by which the hydrocarbon molecules of petroleum are broken into simpler molecules, as of gasoline or kerosene, by the addition of hydrogen under high pressure and in the presence of a catalyst.氢化裂解：将石油的含氢分子分裂成更简单的分子（象汽油和煤油的分子）的过程，此分裂过程是在加催化剂及高压氢气的条件上进行的 |
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