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

• An isomer of amphetamine ( trade name Dexedrine) used as a central nervous system stimulant.
  安非他明的异构体（商品名Dexedrine）被用作中枢神经刺激物。
• 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。
• 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。
• Despite being classified as a depressant, alcohol initially acts as a stimulant on the central nervous system.
  虽说被划定为镇静剂，酒精最初却是被当作中枢神经系统的兴奋剂。
• Tourism has acted as a stimulant to the country's economy.
  旅游业成了刺激国家经济发展的一个因素。
• These drinks can hide the effect of alcohol intake in a sense due to the combination of a stimulant, the caffeine, and a depressant, the alcohol.
  由于这些饮料中兴奋剂、咖啡因、镇静剂和酒精相结合，所以可从某种程度上隐藏酒精的危害效果。
• 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。
• Coffee in which the drug caffeine acts as a stimulant.
  咖啡因起兴奋剂作用的咖啡。
• 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。
• When the club thrives and the members do well, it's a powerful creative stimulant for club leaders.
  当分会兴旺，会员做得好，这是对分会领导者有力的创造激励物。