You're all busy beavering away. What you're beavering away on?

你们都在忙着干活。你们都在忙什么？

But, luckily for you busy beavers, a new study by fitness expert Dr. Brad Schoenfeld and his colleagues suggests that you might be able to reap some benefits even when spending less than 15 minutes at the gym.

但忙人福音是，健身专家舍恩菲尔德博士和他的团队研究发现，即使健身时间少于15分钟，你仍然能从中获益。