一中英惯用例句:
  • 戈壁沙漠位于中国北部和蒙古东南部的沙漠，主要由一系列浅平的碱性盆地构成
    A desert of southeast Mongolia and northern China. It consists mainly of a series of shallow alkaline basins.
  • 一种质地柔软的银白色韧性金属元素（常温时为液体），是最具正电性与碱性的金属。
    a soft silver-white ductile metallic element (liquid at normal temperatures); the most electropositive and alkaline metal.
  • 一种在酸性溶液中变红、在碱性溶液中变蓝的染色材料，亦作酸碱显示剂。
    a coloring material that turns red in acid solutions and blue in alkaline solutions; used as an acid-base indicator.
  • 石灰水水合钙的一种澄清时无色的石灰水溶液，可用于治疗皮肤病或其他制剂中，有时用作抗酸剂
    A clear colorless alkaline aqueous solution of calcium hydroxide, used in calamine lotion and other skin preparations and sometimes as an antacid.
  • 荧光素一种在碱性溶液里发出强烈荧光的桔红色化合物，c20h12o5，用于医药、海洋学和作为纺织染料
    An orange-red compound, C20H12O5, that exhibits intense fluorescence in alkaline solution and is used in medicine, in oceanography, and as a textile dye.
  • 甘氨酸一种甜的结晶状氨基酸，c2h5no2，是甘蔗中基本的氨基酸，由明胶的碱性水解获得，用于生物化学研究和医学
    A sweet-tasting crystalline nonessential amino acid, C2H5NO2, that is the principal amino acid occurring in sugar cane. It is derived from the alkaline hydrolysis of gelatin and used in biochemical research and medicine.
  • 胍一种极易解潮的晶体化合物，nhc（nh2）2，由鸟嘌呤氧化而成，尿中蛋白新陈代谢的正常产物。通常用于塑料、树脂和炸药的合成
    A strongly alkaline crystalline compound, NHC(NH2)2, formed by the oxidation of guanine and found in the urine as a normal product of protein metabolism. It is commonly used in the organic synthesis of plastics, resins, and explosives.
  • 第十一条　在草原上割灌木、挖药材、挖野生植物、刮碱土、拉肥土等，必须经草原使用者同意，报乡级或者县级人民政府批准，在指定的范围内进行，并做到随挖随填，保留一部分植物的母株。
    Article 11. Persons who wish to cut shrubs, dig medicinal herbs or wild plants on the grasslands, scrape alkaline earth off the grasslands or move away fertile soil must secure the agreement of the users of the grasslands and the approval of the people's governments at the township or county level; they must operate within the designated areas, fill the holes in the ground immediately after digging and keep part of the mother plants intact.
  • 酸任何一类酸性的物质，它的水溶液可以使蓝色石蕊试纸变红，与金属反应或溶解金属时可形成盐，和碱反应亦可形成盐
    Any of a large class of sour-tasting substances whose aqueous solutions are capable of turning blue litmus indicators red, of reacting with and dissolving certain metals to form salts, and of reacting with bases or alkalis to form salts.
  • 一种类似马钱子碱的苦味生物碱毒药，从马钱子提取。
    a bitter alkaloid poison resembling strychnine and extracted from nux vomica.
  • 毒芹碱一种有毒无色液态碱，分子式为c5h10nc3h7，发现于毒芹中
    A poisonous, colorless liquid alkaloid, C5H10NC3H7, found in the poison hemlock.
  • 一种生物碱毒药，见于烟草中，用于制药或作杀虫剂。
    an alkaloid poison that occurs in tobacco; used in medicine and as an insecticide.
  • 长春碱从马达加斯加的长春花中得的一种生物碱c46h58n4o9，用作抑制肿瘤的药物
    An alkaloid, C46H58N4O9, obtained from the Madagascar periwinkle and used as an antineoplastic drug.
  • 麦角胺一种结晶生物碱，c33h35n5o5，由麦角中提取，有使血管收缩的作用，特别用来治疗偏头痛
    A crystalline alkaloid, C33H35N5O5, derived from ergot that induces vasoconstriction and is used especially in treating migraine.
  • 金鸡纳宁，辛可宁一种生物碱，c19h22n2o，由金鸡纳树的树皮中制得，用作抗疟疾剂
    An alkaloid, C19H22N2O, derived from the bark of various cinchona trees and used as an antimalarial agent.
  • 纳可蓝，那碎因一种苦味结晶状的碱，c23h27no8由鸦片中提炼出，从前曾在医药中用作吗啡的替代品
    A bitter crystalline alkaloid, C23H27NO8, obtained from opium and formerly used in medicine as a substitute for morphine.
  • 可待因一种生物碱麻醉剂，c18h21no3，从鸦片或吗啡中提取并用于感冒抑制剂、止痛药和催眠药
    An alkaloid narcotic, C18H21NO3, derived from opium or morphine and used as a cough suppressant, analgesic, and hypnotic.
  • 北美的一种植物，具有大的叶子和黄绿色、呈总状花序的花；产生一种被用作药物的、有毒的生物碱。
    North American plant having large leaves and yellowish green flowers growing in racemes; yields a toxic alkaloid used medicinally.
  • 依米丁，吐根碱一种苦味的结晶碱，c29h40n2o4，由吐根的根提取而来并用来治疗阿米巴病以及用作催吐剂
    A bitter-tasting crystalline alkaloid, C29H40N2O4, derived from ipecac root and used in the treatment of amebiasis and as an emetic.
  • 甜菜碱一种甜味的晶体碱，c5h11no2，含于甜菜和其他植物中，用于治疗肌肉萎缩
    A sweet crystalline alkaloid, C5H11NO2, occurring in sugar beets and other plants and used in the treatment of muscular degeneration.
  • 黄连素，小檗碱一种带苦味的黄色生物碱，c20h19no5，从如白毛茛的几种植物中提取，作为解热剂和杀菌剂而入药
    A bitter-tasting yellow alkaloid, C20H19NO5, obtained from several plants such as goldenseal and having medical uses as an antipyretic and antibacterial agent.
  • 欧克西克锭一种麻醉性的生物碱，c18h21no4，和可待因有关的，用作止育药和镇静药，主要以其盐酸化物盐的形式存在
    A narcotic alkaloid, C18H21NO4, related to codeine, used as an analgesic and a sedative chiefly in the form of its hydrochloride salt.
  • 白毛茛碱一种有毒的白色的碱，c21h21no6，提炼自白毛茛的根，以前在某些地区用于治疗粘膜炎
    A poisonous white alkaloid, C21H21NO6, obtained from the root of the goldenseal and formerly used locally to treat inflammation of mucous membranes.
  • 一种具有反副交感神经生理作用、用于镇静、治疗恶心及在眼科手术中扩大瞳孔的生物碱。
    an alkaloid with anticholinergic effects that is used as a sedative and to treat nausea and to dilate the pupils in ophthalmic procedures.
  • 一种白色无味粉状或晶状生物碱，从麻黄属植物中提取或人工合成，用于治疗过敏和哮喘。
    white odorless powdered or crystalline alkaloid from plants of the genus Ephedra (especially Ephedra sinica) or made synthetically; used to treat allergies and asthma.
  • 蝇蕈碱一种与胆碱有关的剧毒生物碱，c9h20no2，由蘑菇蕈毒鹅膏的红色组织提取而出，在腐烂的动物组织中也可发现
    A highly toxic alkaloid, C9H20NO2, related to the cholines, derived from the red form of the mushroom Amanita muscaria and found in decaying animal tissue.
  • 育亨宾（宁碱）一种毒性生物碱，c21h26n2o3，从育亨宾树的树皮中提炼出来，以前被用作春药、局部麻醉剂和散瞳药
    A poisonous alkaloid, C21H26N2O3, derived from the bark of a tree, Corynanthe yohimbe, and formerly used as an aphrodisiac, a local anesthetic, and a mydriatic.
  • 秋水仙碱一种有毒的、淡黄色生物碱，c22h25no6，从秋天的番红花中提取，用于植物生长中的染色体加倍和用于治疗痛风
    A poisonous, pale-yellow alkaloid, C22H25NO6, obtained from the autumn crocus and used in plant breeding to induce chromosome doubling and in medicine to treat gout.
  • 吗啡一种苦而透明的碱性物，分子式为c17h19no3稨2o，从鸦片中提取，其可溶性盐在医学中用作麻醉剂，即一种轻麻醉剂或镇静剂
    A bitter, crystalline alkaloid, C17H19NO3稨2O, extracted from opium, the soluble salts of which are used in medicine as an analgesic, a light anesthetic, or a sedative.
  • 咖啡因一种苦味的白色生物碱，c8h10n4o2，通常得自咖啡或茶，在药品中主要作为温和兴奋剂及治疗特定的头痛病
    A bitter white alkaloid, C8H10N4O2, often derived from tea or coffee and used in medicine chiefly as a mild stimulant and to treat certain kinds of headache.
  • 毒扁豆碱一种结晶的生物碱，c15h21n3o2，从毒扁平中提取，在医学中用作缩瞳药和胆碱能剂，用于提高阿耳茨海默氏病人的记忆力
    A crystalline alkaloid, C15H21N3O2, extracted from the Calabar bean, used in medicine as a miotic and cholinergic agent and to enhance memory in patients with Alzheimer's disease.
  • 阿托品，颠茄碱一种有毒、味苦的结晶生物碱，c17h23no3从颠茄或其它茄科植物中提取而得。用于扩大瞳孔，治疗痉挛
    A poisonous, bitter, crystalline alkaloid, C17H23NO3, obtained from belladonna and other related plants. It is used to dilate the pupils of the eyes and as an antispasmodic.