新加坡的“天空农场”

tier – n. a row or layer of things that is above another row or layer

folks – n. plural, unofficial term for people in general

hydroponic – adj. a method of growing plants in water

artificial – adj. not natural or real; made, produced, or done to seem like something natural

online – adj. connected to or served by a computer or telecommunication system

automated – adj. to run or operate by using machines or computers, instead of people to do the work

algae bloom – n. a sudden increase of algae population in water, sometimes harmful to humans, marine or freshwater environments

practical - adj. relating to what is real as opposed to what is possible or imagined

urban – adj. of or related to a city