反应时间 fǎnyìngshíjiān response time Origin Definitions Defs Strokes Stroke Words Sentences Sents 反应 反應 fǎnyìng nounverb to react to respond to a stimulus biologically or medically or to react to a situation; response; reaction时间 時間 shíjiān noun duration a period or amount of time; the interval between two points in time