morale booster (moraleboosters)

• 1.  

  N-COUNT（可数名词） You can refer to something that makes people feel more confident and cheerful as a morale booster. 鼓舞士气的事物; 振奋精神的事情 [usu sing]

  例：

  This win has been a great morale booster.

  这次获胜带来了巨大的精神鼓舞。