It is the conventional saunas that warms objects instead of air.
举一反三
- The pressure of pilot air is usually （） than that of starting air.
- 词汇与结构 Warm air is less dense than cool air, and _____ air is less dense than dry air.
- Which of these functions cannot be attributed to the mucous membrane that lines the nasal cavity? A: warms incoming air B: filters particles from incoming air C: moistens incoming air D: initial gas exchange between air and blood occurs here
- The air after the rain is excellent. I love to _____ ( 吸入 ) the clean air.
- Electric vehicles will save a lot of air (pollute)______ because there will be emission of CO2 in the air.