In all of these examples, two states or things are being compared: the view before and now; exercise and diet; two sisters.

在这所的例句中，两种状态或者说食物被进行了比较：之前和现在的view、锻炼和饮食及两姊妹。

Have you embarked on a new exercise regimen?

你最近是开始了新的锻炼课程吗？

You cannot believe it. Now. he's careful about what he eats and takes regular exercise.

难置信吧。现在很注意自己的饮食，而且会定期锻炼身体。

I don't get enough exercise.I have no time for loafing.

我没有足够的锻炼。我没空游手好闲。

Overeating and no exercise are the direct cause of her becoming corpulent.

过度饮食和不锻炼是她变胖的直接原因。

Those forced to exercise their smiling muscles reacted more enthusiastically to funny cartoons than did those whose mouths were contracted in a frown, suggesting that expressions may influence emotions rather than just the other way around.

那被迫锻炼笑肌肉的人比那嘴巴收缩成皱纹的人对有趣的动画片反应更热烈，这表明表情可能影响情绪，而不是相反。

Not everyone works out just to bulk up, of course.

当然不是每个人锻炼就为了强化体格。

To eat right, to exercise, to try to be strong both mentally and physically as you can be when you get to be an elderly person yourself.

健康的饮食，适当的锻炼，当你自己上了年纪的时候，试着在精神和身体上都尽可能的强壮。

After the workout, the app's artificial intelligence software system uses feedback from Ms. Wayner and its other 53 million users around the world to adjust future training sessions.

锻炼后，该应程序的人工智能软件系统会根据韦纳女士和全球其 5300 户的反馈来调整未来的训练课程。

It could be other aspects of lifestyle, stress, exercise, hygiene.

又或者与生活方式的其它方面、压力、锻炼和卫生也有关。

They become preoccupied with calorie counting and exercising.

她们沉迷于计算卡路里和锻炼。

He challenged me mentally, not just physically.

不仅锻炼我的身体，也锻炼我的意志。

They advanced rapidly and noiselessly, with the confidence and dexterity of practised scouts.

们迅速无声地悄悄前进，显出久经锻炼的斥候的那种沉着和矫捷的动作。

This kind of exercise is known as interval training.

这种锻炼方式被称为间歇训练。

But these workouts were not as fun.

但这锻炼没那么有趣。

Well, to find out, scientists had subjects exercise on a fitness machine under two conditions.

科学家为找到原因，让志愿者分别在两种情况下健身器材锻炼。

Oh, I see you earned that hot chocolate.

看来那杯热巧克力是锻炼后的奖赏啦。

He had workout regime he did every day.

并且每天都坚持自己的一套锻炼方法。

The Exercise Ring captures the brisk activity that you've done.

“锻炼圆环”记录你做过的快速的运动。

Astronauts on the space station already perform specific exercises to keep their weight-bearing muscles toned.

为了不让肌肉松弛，太空站上的宇航员已经开始一具体的锻炼。