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Unit 107：Plug in the circuit
第107單元：來個“全套的健身訓練”充充電吧
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.
研究顯示，結合有氧運動與重量訓練的所謂“全套訓練”比只做有氧運動更有助于減肥。
Many health clubs offer circuit training.
許多健身中心都有提供這項訓練。
