Unit 107:Plug in the circuit第107单元:来个“全套的健身训练”充充电吧People who combine quick stints of aerobic exercise and weight training,called circuit training,tend to lose more weight than those who do aerobics alone,studies show.研究显示,结合有氧运动与重量训练的所谓“全套训练”比只做有氧运动更有助于减肥。Many health clubs offer circuit training.许多健身中心都有提供这项训练。