复数： stimulants

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。

It would further weaken the most powerful stimulant of economic growth ever devised .

此举大错特错，将使有史以来推动经济增长的最强“兴奋剂”被进一步削弱。

Caffeine is the most widely consumed stimulant in the world .

咖啡因是世界上消费最广泛地的刺激物。

Stimulant use can cause temporary thought disorder or intensify an underlying thought disorder or hypomanic state .

使用兴奋剂会导致暂时思维障碍或强化潜在的思维障碍或轻度狂躁的状态。

Mixed together , the stimulant and the depressant do not cancel each other out .

将两者混合，它们所具有的兴奋剂和镇静剂的效用并不会彼此抵消。