ticker  
noun [ C ] uk/ˈtɪk.ər/ us/ˈtɪk.ɚ/
  (HEART)     
  informal心脏 
a heart
   (SCREEN)      
 (屏幕上用文字显示新闻或股价的)滚动信息区
a moving area on a screen that shows changing information such as news or share prices
  A stock ticker runs along the screen, so that you can check your portfolio. 屏幕上有股市的滚动信息,这样你可以检查你的投资组合。