responding rather too readily to something new or stimulating; too easily excited
对新事物(或使人兴奋的事物)极易作出反应的;易激动的
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Chip could be a bit wayward and excitable .奇普这个人可能有点儿任性,而且容易激动。
(of tissue or a cell)responsive to stimulation
(组织,细胞)应激的,(可)兴奋的。