stimulant

英 [ˈstɪmjələnt]

美 [ˈstɪmjələnt]

n.  兴奋剂; 有激励作用的事物

复数：stimulants　

TOEFLGRETEM8

Collins.1 / BNC.18953 / COCA.14629

牛津词典

noun

• 兴奋剂
  a drug or substance that makes you feel more awake and gives you more energy
  1. Coffee and tea are mild stimulants.
     咖啡和茶是轻度兴奋剂。
• 有激励作用的事物
  an event or activity that encourages more activity

柯林斯词典

• 兴奋剂;引起兴奋的药物
  Astimulantis a drug that makes your body work faster, often increasing your heart rate and making you less likely to sleep.

英英释义

noun

• a drug that temporarily quickens some vital process
  Synonym:stimulant drugexcitant
• any stimulating information or event
  Synonym:stimulationstimulusinput

adj

• that stimulates
  1. stimulant phenomena
  Synonym:stimulating

双语例句

• Pharmacologically, alcohol is an anesthetic, not a stimulant.
  从药理学上讲酒精是麻醉剂，而不是兴奋剂。
• The cardiopulmonary examination can also signal infection, valvular disease, and stimulant use.
  心肺检查也可提示感染、辨膜疾病及兴奋剂使用情况。
• Nicotine is a stimulant, with effects similar to caffeine.
  尼古丁是一种作用类似于咖啡因的兴奋剂。
• A medication used as a stimulant to the central nervous system.
  一种用来刺激中枢神经系统的药物。
• Chemoreceptor An organ or structure that responds to a particular chemical stimulant.
  化学受体：能对特定的化学刺激物做出反应的器官或结构。
• Ractopamine is an adrenal stimulant used to make pork more lean.
  莱克多巴胺是一种肾上腺素兴奋剂，用以提高瘦肉率。
• Caffeine is a stimulant which acts on the nervous system.
  咖啡因是一种对神经系统产生影响的兴奋剂。
• A pungent preparation of ammonium carbonate and perfume; sniffed as a stimulant to relieve faintness.
  一种刺激的制剂，由碳酸铵和香水制成，作为刺激物用鼻息以减轻晕厥。
• Their principal active component is capsaicin, which is a powerful stimulant of afferent nerve fibres.
  他们主要活性成分是辣椒素，是一种传入神经纤维强效刺激物。
• As far as the effects they have, bath salts are a central nervous system stimulant that acts something like a mix of methamphetamine and cocaine. They dramatically increase the dopamine and norepinephrine levels in the human brain in two dangerous ways.
  就效果来说，浴盐是一种中枢神经系统的兴奋剂，功能犹如脱氧麻黄碱和可卡因的混合物，可以通过两种危险的方式极大提高人大脑中的多巴胺和去甲肾上腺素水平。