restorative       
noun [ C ]  old-fashioned uk/rɪˈstɒr.ə.tɪv/ us/rɪˈstɔːr.ə.t̬ɪv/
 有恢复作用的事物;使恢复精力的事物;促进健康恢复的事物
something that makes you feel better or more energetic if you are feeling tired or ill
  After a hard day at the office, a hot bath is a welcome restorative. 在办公室辛苦工作了一天后,泡个热水澡真是舒爽提神。