morale booster

n.

鼓舞士气的事物；振奋精神的事情；

复数：morale boosters

Morale booster
Morale booster
Morale Booster
India Polypropylene Debate on dumping duty takes centre stage
Borrowed Tunes. Commando and Morale Booster Songs of RUF Fighters in the Sierra Leone War
Wales Seal a Win as Bale Strikes Again; Vokes Adds Second in Morale Booster
The Guaranteed Morale Booster
A much-needed morale booster
Obama delivers morale-booster at FBI
Going to the dogs can be an employee morale-booster
Rewarding Customer Complaints: How to Turn a Complaint into a Morale Booster
Rewarding Customer Complaints: How to Turn a Complaint into a Morale Booster
Dr. Leap's Column a Morale Booster