因为上面有人提steam room，我有点confused了。
桑拿有干、湿之分，湿桑拿英文用steam，干用sauna；不过中文桑拿特指湿桑拿。
其实前些年去健身房和做massage时经常用干、湿sauna，蒸的大汗淋漓；去年在瑞士泡完jacuzzi还在sauna间里呆五分钟，然后出来淋浴。
下面是AI说的：
Sauna
- Heat Type: Dry heat
- Temperature: Very hot (150-195°F / 70-100°C)
- Humidity: Low (5-30%)
- Heat Source: Electric heaters, wood stoves, or infrared panels heating rocks
- Best For: Muscle recovery, joint flexibility, deep sweating, and relaxation.
Steam Room
- Heat Type: Moist heat
- Temperature: Cooler (110-120°F / 40-45°C)
- Humidity: Near 100%
- Heat Source: A steam generator boiling water
- Best For: Respiratory relief (clearing sinuses), skin hydration, and cleansing pores.
