ebullient /ɪˈbʌljənt, -ˈbʊl-/

• 1. 

  ADJ If you describe someone as ebullient, you mean that they are lively and full of enthusiasm or excitement about something. 精力充沛的; 热情洋溢的 [正式]

  例：

  ...the ebullient Russian president.

  …精力充沛的俄罗斯总统。

• 2. 

  ebullience N-UNCOUNT 精力充沛; 热情洋溢

  例：

  His natural ebullience began to return.

  他天生的热情开始恢复了。