VOA慢速英语:空气流通可能有助于预防新冠病毒

droplet – n. a very small drop of liquid

contaminant – n. something that makes a place or a substance (such as water, air, or food) no longer suitable for use

fan – n. a machine or device that is used for producing a current of air

draw – v. to let air flow through : to cause to move by pulling

air conditioner – n. to equip with a device for cleaning air and controlling its humidity and temperature

air intake – n. any opening, etc, through which air enters, esp for combustion or cooling purposes : a device that allows air to flow into a machine

filter – n. a device that is used to remove something unwanted from a liquid or gas that passes through it

best practices – n. a procedure that has been shown by research and experience to produce optimal results and that is established or proposed as a standard suitable for widespread adoption