他正在努力工作，额头上满是汗水。

He is working hard and his forehead is ___sweaty.

在炎热的天气里跑步让人汗流浃背。

Running in hot weather makes me feel ___sweaty.

在这个闷热的房间里待久了让人很不舒服。

It's very uncomfortable to stay long in this ___sweaty room.