well ventilated/ good ventilation 空氣流通

well ventilated/ good ventilation
繁：空氣流通
简：空气流通

高危人士在人多擠逼或空氣流通欠佳的公眾地方逗留。

嚴重急性呼吸系統綜合症(沙士)（2015年8月4日）。衞生防護中心，取自 http://www.chp.gov.hk/tc/content/9/24/47.html

The office should be well ventilated, and windows opened from time to time. Air conditioners should be well maintained and cleaned regularly.

YOUR GUIDE TO SARS. (2003, April 3). South China Morning Post. Retrieved from http://www.scmp.com/article/411361/your-guide-sars