题型:英语知识运用 题类:其他 难易度:难
测年份:2018
Today we focus on _____ is called recurrent obesity (复发性肥胖) or yo-yo obesity (溜溜球式肥胖), _____ is the phenomenon _____ we gain weight and then go on a successful diet, but within 12 months we go back to our original weight.