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

• 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。
• Cola flavors may contain a source of caffeine, which is a mild stimulant.
  可乐香精中一般会含有咖啡因，这是一种低刺激性物质。
• Cells that actually make dopamine, a natural stimulant, and spray it to many brain regions.
  实际上，这种细胞制造了多巴胺&一种天然的兴奋剂，并将它散发到大脑的众多区域。
• 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。
• An alkaloid poison extracted chiefly from nux vomica; formerly used as a stimulant.
  主要从马钱子中提取的生物碱毒药，以前用作兴奋剂。
• It is used in medicine for its stimulant quality.
  由于它有兴奋剂的特性而被应用于医学。
• 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。
• 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。
• Another advantage is that internet transaction encourages consumption, which is a stimulant for economic growth.
  另一个好处是网上交易促进消费，这对于经济增长也是一种刺激。
• 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。