VOA慢速英语:如何清除手机上的细菌

keyboard – n. the set of keys that are used for a computer or typewriter

moisture – n. a small amount of a liquid, like water that makes something wet or moist

spray – n. liquid that is forced out of a container in a stream of very small drops

unplug – v. to disconnect something, like a phone or television from an electrical source by removing its plug

wipe – n. a small wet cloth used for cleaning

disinfectant – n. a chemical substance that is used to kill harmful germs and bacteria

microfiber – n. cloth made from very small synthetic fibers