Some experts on sitting recommend "active sitting" using an exercise ball, kneeling stool or something else without a high back.

专家建议“积极坐姿”。不管健身球还是凳子，只要没有高靠背就好。

youdao

some experts on sitting recommend "active sitting" using an exercise ball, kneeling stool or something else without a high back.

专业人士提议“积极坐姿”。不管保健球还是凳子，只要没有高靠背就好。

youdao

Just a few days after the signs went up, he found people sitting there and engaging in active and joyful conversations.

就在张贴告示几天后，他发现人们坐在那里，进行着积极愉快的交谈。

youdao

Leaving aside the japes about fellows of Clare College becoming MP for Cambridge, he is super-active, sitting on two select committees as well as the committee scrutinising the Draft Defamation Bill (to sort out the libel laws) while still managing to be almost omnipresent in the Chamber.

BBC: My pick of the 2010 intake of MPs

The panel, comprised of Mr. Shimazaki and four academics, has been saying the No. 2 reactor is likely to be sitting above an active fault, defined as one that has shifted during the past 120, 000 to 130, 000 years.

WSJ: Panel: Active Fault Runs Beneath Japan Reactor

Dr Hondou's model, in short, was valid only in the case of a single passenger sitting in an empty carriage with an active mobile phone on every seat.

ECONOMIST: Are mobiles phones on trains dangerous or not?