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。