今天我们要学的词是 yo-yo dieting. Yo-yo dieting 溜溜球节食法。Yo-yo dieting refers to the repeated loss and regain of body weight as a result of dieting. 溜溜球节食法指的是由节食引起的体重在减少和增加中的循环往复。A new study suggests that for people with heart disease, yo-yo dieting may increase their risks of heart attacks and strokes. 一项新研究显示，对有心脏病的人来说，溜溜球节食法可能会增加他们心脏病和中风的风险。好的，我们今天学习的词是 yo-yo dieting, yo-yo dieting, yo-yo dieting...