You can exercise it through learning a new language, reading interesting books, playing word games, listening to recordings, using a computer, and participating in conversation and discussions online.

可以通过学习另一种语言、阅读有趣的书籍、玩玩文字游戏、听录音、使用计算机以及在网上参与讨论交流等方式得到锻炼。

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There are tons of fitness resources available on the Web, from healthy food coupons to free, online calorie counters and exercise routines.

在网上有大量的实用的健身资源，有免费的健康餐券，在线卡路里测量计以及锻炼方式。

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In the study, published online Monday in the journal Pediatrics, moms got less exercise per week, 4.5 hours of physical activity compared with the 6 hours that non-mothers got.

周一，网上发表在《小儿科》杂志的研究表明，母亲每周进行的运动量比没有孩子的母亲的6小时少，只有4.5小时。

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This year, we build further on this topic by highlighting the need to promote an open and free environment online for the safe exercise of press freedom in this arena.

UNESCO: World Press Freedom Day 2013

They have an online fitness tool that shows you how to perform each exercise.

FORBES: The Best Diet Plans Out There, Whoever You Are

William Hill said that it would seek a valuation of the 29% stake in its online business that is held by joint venture partner Playtech, and that it may exercise its option to buy Playtech out.

BBC: William Hill profits boosted by online and in-play bets