Small amounts of regular activity, even just standing and moving around, throughout the day is enough to bring the increased levels back down. And those small amounts of activity add up—30 minutes of light activity in 而這些小小的運動加起來 (小小的)30分鐘輕運動中間插著2-3分鐘的急促運動 two or three-minute bursts can be just as effective as a half-hour block of 可以等同於半小時 一個時段的運動量 exercise. in two or three-minute bursts 如何理解 請教 ...