| 单词 | 无色 |
| 释义 | 〔niter〕A white, gray, or colorless mineral of potassium nitrate, KNO3, used in making gunpowder. Also called saltpeter 硝酸：一种白色、灰色或无色的硝酸钾KNO3，用于制火药 也作 saltpeter〔acetaldehyde〕A colorless, flammable liquid, C2H 4O, used to manufacture acetic acid, perfumes, and drugs. Also called aldehyde 乙醛：一种无色，易燃的液体，C2H 4O，用于生产乙酸、香水和麻醉药 也作 aldehyde〔stilbene〕A colorless or yellowish crystalline compound, C14H 12, used in the manufacture of dyes and optical bleaches and as a phosphor. 均二苯乙烯：一种无色或黄色透明混合物，分子式为C14H 12，用于制染料或光学漂白剂，或作磷光体 〔ketene〕A pungent, toxic, colorless gas, C2H 2O, used chiefly as an acetylation agent. 乙烯酮：一种有刺激性气味的有毒无色气体，C2H 2O，主要用作乙酰化剂 〔methanol〕A colorless, toxic, flammable liquid, CH3OH, used as an antifreeze, a general solvent, a fuel, and a denaturant for ethyl alcohol. Also called carbinol ,methyl alcohol ,wood alcohol ,wood spirits 甲醇：一种无色、有毒的易燃液体，CH3OH，用作防冻剂，常规溶剂，燃料和酒精的变性剂 也作 carbinol,methyl alcohol,wood alcohol,wood spirits〔purine〕A colorless crystalline organic base, C5H 4N 4, that is the parent compound of various biologically important derivatives. 嘌呤：一种无色晶体状有机碱C5H 4N 4，它是生物上许多重要衍生物的母体化合物 〔gypsum〕A widespread colorless, white, or yellowish mineral, CaSO4·2H 2O, used in the manufacture of plaster of Paris, various plaster products, and fertilizers. 石膏：一种分布广泛、无色、白色或淡黄色矿石CaSO4·2H 2O,用于制作熟石、各种石膏产品和化肥 〔sweat〕The colorless saline moisture excreted by the sweat glands; perspiration.汗水：通过汗腺排出的无色含盐水份；汗液〔isoprene〕A colorless volatile liquid, C5H 8, used chiefly to make synthetic rubber. 异戊二烯：无色易挥发液体，C5H 8，主要用来制造合成橡胶 〔styrene〕A colorless oily liquid, C6H 5CH:CH 2, the monomer for polystyrene. 苯乙烯：一种无色油状液体，化学式为C6H 5CH:CH 2，是构成聚苯乙烯的单体 〔ammonia〕A colorless, pungent gas, NH3, extensively used to manufacture fertilizers and a wide variety of nitrogen-containing organic and inorganic chemicals. 氨，阿摩尼亚：一种无色刺激性气体，NH3，大量用于制造化肥和多种含氮有机或无机化合物 〔cyanogen〕A colorless, flammable, pungent, highly poisonous gas, C2N 2, used as a rocket propellant, an insecticide, and a chemical weapon. 氰：一种无色、易燃、有刺激性的剧毒气体，C2N 2，被用作火箭燃料、杀虫剂和化学武器 〔arsine〕A colorless, flammable, very poisonous gas, H3As, having an odor like garlic and used in chemical warfare, as a solid-state doping agent, and in organic synthesis. 砷化三氢：一种无色可燃，毒性大的气体，H3As,有种类似大蒜的气味，用在化学武器中，用作固体添加剂，和用于有机合成 〔rhinestone〕A colorless artificial gem of paste or glass, often with facets that sparkle in imitation of a diamond.莱茵石：一种无色的含铅玻璃或玻璃的人造宝石，常具有钻石般的发光表面〔ouzo〕A colorless, unsweetened Greek liqueur flavored with anise.茴香烈酒：无色、不甜且有茴香味的希腊酒〔chloroform〕A clear, colorless, heavy, sweet-smelling liquid, CHCl3, used in refrigerants, propellants, and resins, as a solvent, and sometimes as an anesthetic. Chloroform, once widely used in human and veterinary surgery, has generally been replaced by less toxic, more easily controlled agents. 三氯甲烷，氯仿：一种清澈、无色、比重大、有香味的液体，CHCl3，作为溶剂，有时作为麻醉剂而用于冷冻剂、推动剂和树脂。氯仿曾一度被广泛用于人类及兽医外科手术，现已普遍被低麻醉性且较易控制的药剂取代 〔muscovite〕A potassium aluminum silicate mineral, KAl2(AlSi 3O 10)(OH) 2, the most common form of mica, which ranges from colorless or pale yellow to gray and brown, has a pearly luster, and is used as an insulator. Also called white mica 白云母：一种含钾和铅的硅酸盐矿物，KAl2(AlSi 3O 10)(OH) 2，是云母类最普通的类型，颜色是无色或淡黄色到灰色和褐色之间，有珍珠的光泽，并且用来作一种绝缘体 也作 white mica〔chlordane〕A colorless, odorless, viscous liquid, C10H 6Cl 8, used as an insecticide. It may be toxic to human beings and wildlife as a result of its effect on the nervous system. 氯丹：一种无色无味的黏性液体，C10H 6Cl 8，用作杀虫剂。因其对神经系统的影响可能会对人类和野生生物有害 〔chloral〕A colorless, mobile, oily aldehyde, CCl3CHO, a penetrating lung irritant, used to manufacture DDT and chloral hydrate. 氯醛：一种无色、流性、油质的醛，CCl3CHO，对肺部有刺激性，用于制造DDT和水合三氯乙醛 〔aniline〕A colorless, oily, poisonous benzene derivative, C6H 5NH 2, used in the manufacture of rubber, dyes, resins, pharmaceuticals, and varnishes. 苯胺：一种无色多油有毒的苯衍生物，C6H 5NH 2，用于制造橡胶，染料，凝脂，药物和油漆 〔capsaicin〕A colorless, pungent, crystalline compound, C18H 27NO 3, that is derived from capsicum and is a strong irritant to skin and mucous membranes. 辣椒素：一种无色有刺激性气味的晶状化合物，C18H 27NO 3，得自辣椒并是对皮肤和黏性细胞膜很强的刺激物 〔butadiene〕A colorless, highly flammable hydrocarbon, C4H 6, obtained from petroleum and used in the manufacture of synthetic rubber. 丁二烯：一种无色、高度可燃的碳氢化合物，C4H 6，从石油中制得，用作合成橡胶的制造 〔pilocarpine〕A colorless or yellow poisonous compound, C11H 16N 2O 2, obtained from the leaves of the jaborandi and used to induce sweating, promote salivation, and treat glaucoma. 毛果芸香碱：一种无色或黄色的有毒混合物C11H 16N 2O 2，从毛果芸香叶中提取，用来引发流泪、促进唾液分泌并治疗青光眼 〔methylal〕A colorless flammable liquid, CH3OCH 2OCH 3, used as a solvent and in the manufacture of perfumes, adhesives, and protective coatings. 甲缩醛：无色易燃液体，CH3OCH 2OCH 3，用作溶剂，也用在香水、粘着剂和保护膜层的制造中 〔pentane〕Any of three colorless, flammable isomeric hydrocarbons, C5H 12, derived from petroleum and used as solvents. 戊烷：有三种同分异构体的无色可燃烷烃，C5H 12，从石油中提炼，可用做溶剂 〔biphenyl〕A colorless crystalline compound, C12H 10, used as a heat-transfer agent, in fungicides, and in organic synthesis. Also called diphenyl 联二苯：无色晶体化合物，C12H 10，在杀真菌剂和有机合成中用作传热剂 也作 diphenyl〔tetrahydrofuran〕A clear, colorless, highly flammable liquid, C4H 8O, used as a solvent for natural and synthetic resins and in polymerization. 四氢呋喃：透明无色的易燃液体，化学式C4H 8O，用于聚合作用及做为天然及合成树脂的溶剂 〔columbite〕A black, red-brown, or colorless mineral, essentially (Fe, Mn)(Nb, Ta)2O 6, the principal ore of niobium. 铌铁矿：一种黑色的、红褐色或无色矿物，本质是(Fe, Mn)(Nb, Ta)2O 6，是主要的铌矿 〔kernite〕A colorless to white lustrous crystalline mineral, Na2B 4O 7·4H 2O, that is a major source of ore of boron. 四水硼砂：一种无色或白色的光亮晶体矿物，Na2B 4O 7·4H 2O，是硼矿的主要来源 〔acetal〕A colorless, flammable, volatile liquid, CH3CH(OC 2H 5) 2, used in cosmetics and as a solvent. 乙缩醛：一种无色，易燃，易挥发的液体CH3CH(OC 2H 5) 2，用于化妆品和溶剂 〔hesperidin〕A white or colorless crystalline compound, C28H 34O 15, occurring in citrus fruit. 橘皮苷：一种白色或无色的透明化合物，C28H 34O 15，在柑橘属水果中出现 〔stearin〕A colorless, odorless, tasteless ester of glycerol and stearic acid, C3H 5(C 18H 35O 2) 3, found in most animal and vegetable fats and used in the manufacture of soaps, candles, and adhesives and for textile sizing. Also called tristearin 硬脂酸甘油：一种无色无味的硬脂酸和甘油的酯，C3H 5(C 18H 35O 2) 3，见于大多数动植物脂肪中，用作制肥皂、蜡烛和粘结剂和纺织品上浆 也作 tristearin〔gelatin〕A colorless or slightly yellow, transparent, brittle protein formed by boiling the specially prepared skin, bones, and connective tissue of animals and used in foods, drugs, and photographic film.明胶，凝胶：一种无色或浅黄色的透明胶状蛋白，通过水煮特殊加工过的皮、骨和动物韧带形成，使用于食品、药物和摄影胶片中〔willemite〕A colorless, vitreous to resinous, often fluorescent mineral, Zn2SiO 4, a minor ore of zinc. 硅锌矿：一种无色的常发荧光的矿物，Zn2SiO 4，从玻璃状到树脂状不等，是锌的一种次要的矿砂 〔veratrine〕A poisonous mixture of colorless crystalline alkaloids extracted from sabadilla seeds and formerly used medicinally as a counterirritant.藜芦混碱：一种从沙巴草籽中提取的无色晶体生物碱的有毒混合物，以前在医疗中被用作对抗刺激剂〔benzaldehyde〕A normally colorless aromatic oil, C6H 5CHO, obtained naturally, as from the bitter almond, or made synthetically and used in perfumes and as a solvent and a flavoring. 苯基：一种通常为无色的芳香油，C6H 5CHO，从苦杏仁中提取或人工合成，作为溶剂和调味品用于香料中 〔scopolamine〕A thick, syrupy, colorless alkaloid, C17H 21NO 4, extracted from plants such as henbane and used as a mydriatic, sedative, and truth serum. Also called hyoscine 车莨菪碱：一种浓的、粘稠的无色碱，分子式为C17H 21NO 4，从莨菪这类植物中提取，用作抗胆碱、镇静剂和免疫血清 也作 hyoscine〔hyalite〕A clear, colorless opal.玻璃蛋白石：一种透明、无色的蛋白石〔putrescine〕A colorless, foul-smelling ptomaine, NH2(CH 2) 4NH 2, produced in decaying animal tissue by the decarboxylation of ornithine. 腐胺：一种无色，恶臭的尸碱，NH2(CH 2) 4NH 2,产生于腐烂的动物躯体中的鸟氨酸的脱羧作用 〔toluene〕A colorless flammable liquid, CH3C 6H 5, obtained from coal tar or petroleum and used in aviation fuel and other high-octane fuels, in dyestuffs, explosives, and as a solvent for gums and lacquers. Also called methylbenzene 甲苯：一种无色的可燃液体，符号CH3C 6H 5，从炭焦油或汽油中取得，可用作飞行燃料和其它高辛烷燃料，也可于染料、炸药中，也可用作树胶和油漆中的溶剂 也作 methylbenzene |
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