单词	excitant
释义	excitant /ˈɛksɪt(ə)nt / /ɪkˈsʌɪt(ə)nt / /ɛkˈsʌɪt(ə)nt/ noun Biology A substance which elicits an active physiological or behavioural response: what happens when chemical excitants flood into the brain?... Some people find that coffee brings out tremor; this is due to the presence of caffeine, which is an excitant; these effects are not, however, universal. The resulting synaptic inhibition is characterized by either a depressant or an excitant effect, depending on the population of cells involved.
随便看	utopianizing utopian-like utopian socialism utopian socialist utopiate utopic utopical utopism utopographer Utrecht Utrecht, Peace of Utrecht velvet utricle utricular utriculus Utrillo, Maurice Utsire uttapam Uttarakhand Uttar Pradesh utter utterable utterance utterer utterly

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