VOA慢速英语:研究称运动量不足将导致疾病

trend – n. a general direction of change : a way of behaving, proceeding, etc., that is developing and becoming more common

data – n. facts or information used usually to calculate, analyze, or plan something

income – n. money that is earned from work, investments, business, etc.

region – n. a part of a country, of the world, etc., that is different or separate from other parts in some way

factor – n. something that helps produce or influence a result : one of the things that cause something to happen

author – n. a person who has written something

range – n. a series of numbers that includes the highest and lowest possible amounts — usually singular

prevalence – n. accepted, done, or happening often or over a large area at a particular time : common or widespread

refer – v. to look at or in (something) for information : to have a direct connection or relationship to (something)

cycling – n. to ride a bicycle