aerosol
noun [ C ] uk/ˈeə.rə.sɒl/ us/ˈer.ə.sɑːl/
喷雾器
a metal container in which liquids are kept under pressure and forced out in a spray
chemistry, environment specialized气溶胶
a mixture of particles (= extremely small pieces of matter) and the liquid or gas that they are contained in
Aerosols are a subset of air pollution that refers to the tiny particles suspended everywhere in our atmosphere. 气溶胶是空气污染的一部分，指在大气中无所不在的微小颗粒。