a town where water comes out of the ground and people come to drink it or lie in it because they think it will improve their health

Baden Baden in Germany and Bath in Britain are two of Europe's famous spa towns. 德国的巴登巴登和英国的巴斯是欧洲两个著名的矿泉疗养地。

spa water 矿泉水

a place where people go in order to become more healthy, by doing exercises, eating special food, etc.

The spa offers massages and beauty treatments as well as exercise classes. 那家休闲健身中心提供按摩、美容和健身服务。