VOA慢速英语:Indoor Pollution Kills Millions Each Year

indoor – adj. done, living, located, or used inside a building

particulate - n. a substance made up of very small separate particles

kerosene – n. a kind of oil that is burned as a fuel — often used before another noun such as a kerosene heater and kerosene lamp; kerosene is called “paraffin” in British English

induction (stoves)- adj. Induction cooking heats by electric current instead by a flame or heating element.

appliance – n. a machine (such as a stove, microwave, or dishwasher) that is powered by electricity and that is used in people's homes