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
而这些小小的运动加起来 (小小的)30分钟轻运动中间插著2-3分钟的急促运动
two or three-minute bursts can be just as effective as a half-hour block of
可以等同于半小时 一个时段的运动量
exercise.
in two or three-minute bursts
如何理解
请教 ...