indicatorKK [ˋɪndəˏketɚ] /ˈɪndəˌkeɪtɚ/发音名词1指标、指数Unemployment is often seen as a key indicator of economic health.失业率常被视为衡量经济健康的重要指标。2迹象、征兆Her tone of voice was a clear indicator that something was wrong.她的语气清楚显示事情不太对劲。3指示器、指示灯、仪表A red indicator on the panel lights up when the battery is low.电量不足时,面板上的红色指示灯就会亮起。4方向灯英式He turned right without using his indicator.他右转时没有打方向灯。5指示剂化学Add a few drops of indicator to see if the solution is acidic.滴几滴指示剂就能看出溶液是否呈酸性。用这个字练口说→