sedative

英 [ˈsedətɪv]

美 [ˈsedətɪv]

n.  镇静剂
adj.  镇静的，镇定的，止痛的; 使镇静的，使安静的

复数：sedatives　

GRETEM8

Collins.1 / BNC.20368 / COCA.18556

牛津词典

noun

• 镇静剂
  a drug that makes sb go to sleep or makes them feel calm and relaxed

柯林斯词典

• N-COUNT 镇静剂
  Asedativeis a medicine or drug that calms you or makes you sleep.
  1. They use opium as a sedative, rather than as a narcotic.
     他们把鸦片用作镇静剂而不是毒品。
• ADJ 有镇静作用的;有催眠作用的
  Something that has asedativeeffect calms you or makes you sleep.
  1. Amber bath oil has a sedative effect.
     琥珀沐浴油有镇静安神效用。

英英释义

noun

• a drug that reduces excitability and calms a person
  Synonym:sedative drugdepressantdowner

adj

• tending to soothe or tranquilize
  1. valium has a tranquilizing effect
  2. took a hot drink with sedative properties before going to bed
  Synonym:ataracticataraxictranquilizingtranquillizingtranquilisingtranquillising

双语例句

• Objective: To screen and compare the effective component of the sedative and hypnotic effects of Fructus Schisandrae.
  目的：研究并比较南、北五味子不同溶剂提取物对小鼠镇静、催眠作用的影响。
• I thought the sedative might be interfering.
  我想是镇静剂的作用被削弱了。
• Benzodiazepines have hypnotic and sedative effects, and like antidepressants, dependence and addiction can occur in some patients.
  苯有催眠和镇静作用，如抗抑郁药物依赖和成瘾的，可以发生在一些病人。
• They use opium as a sedative, rather than as a narcotic.
  他们把鸦片用作镇静剂而不是毒品。
• A sedative had been administered to the patient.
  给病人服了一片镇静药。
• Should I get a sedative?
  要不要我拿一针镇静剂？
• Morphine, derived from opium, is used in medicine as an analgesic, light anesthetic or a sedative.
  吗啡是一种阿片衍生物，在医学上用作止痛剂、轻度麻醉剂或镇静剂。
• Give the patient a sedative to help him sleep.
  给病人镇静剂以助他睡眠。
• A sedative that depresses activity of the central nervous system and reduces anxiety and induces sleep.
  减少中枢神经系统的活动并且降低忧虑引起镇静促进睡觉的药。
• The sedative makes people very somnolent.
  这种镇静剂会让人瞌睡。