underscore /ˌʌndəˈskɔː/ CET6 ( underscoring, underscored, underscores )

• 1. 

  V-T If something such as an action or an event underscores another, it draws attention to the other thing and emphasizes its importance. 突出显示; 强调 [美国英语]

  例：

  The Labour Department figures underscore the shaky state of the economic recovery.

  劳工部的数字突出显示了经济复苏的不稳定。

• 2. 

  V-T If you underscore something such as a word or a sentence, you draw a line underneath it in order to make people notice it or give it extra importance. 在…下面划线 [美国英语]

  例：

  He heavily underscored his note to Shelley.

  他在写给谢利的短笺下重重地划了线。