While in the habitat, NASA workers will continuously follow the volunteers' physical and mental health.

在栖息地期间，美国宇航局的工作人员将持续关注志愿者的身心健康状况。

Two months ago, I watched as 10,000 health volunteers gathered in Bangkok to mark this year's World No Tobacco Day.

两个月前，我看到一万名卫生工作志愿者聚集在曼谷参加了今年的" 世界无烟日" 活动。