VOA慢速英语:Indoor Farming Industry Is Growing Fast

vertical – adj. positioned up and down rather than from side to side; going straight up

nutritional – adj. healthy food or liquid

stack – v. to place things on top of each other; to put things in a neat pile

quadruple – adj. to become four times bigger in value or number; to cause (something) to become four times bigger

erosion – n. the gradual destruction of something by natural forces (such as water, wind, or ice); the process by which something is eroded or worn away

pesticide – n. a chemical that is used to kill animals or insects that damage plants or crops

emissions – n. something sent out or given off

eliminate – v. to remove (something that is not wanted or needed); to get rid of (something)

variety – n. difference, not the same

nutritionist – n. a person whose job is to give advice on how food affects your health

focus – n. the center of interest or attention ​

calorie – n. a unit of heat used to indicate the amount of energy that foods will produce in the human body

consume – v. to take in; to finish; to eat or drink

yield – n. the amount that is produced by a plant, farm, etc.