11. 健身 to work out

我们也可以把work out两个字合在一起，变成一个名词：workout.

It's becoming a trend for modern people to work out in the gym.

现代人在健身房健身已慢慢成为一种趋势。

The model goes to the gym for a workout five times a week.

这个模特儿每个星期到健身房健身五次。

You'd better have/get some workout.

你最好做点运动。

12. 体脂肪 body fat

13. 卡络里 calorie

燃烧卡洛里：to burn calorie

A calorie-controlled diet will help those who want to lose weight.

控制热量的饮食对想减肥的人很有帮助。

14. 曲线 curve

She's got all that right curves. Every guy is so crazy about her.

她的曲线尽现！每个男人都为她着迷。

15. 暖身 to warm up

warm-up两个字合起来，可当形容词用；美国口语，也可以当名词用。

We all should warm up before doing some exercises.

开始做运动前，我们都应该暖身。

Let's warm up the car engine before we start.

我们把汽车马达热一下，再开车吧！

Warm-up stretch is extremely important before any exercise.

做任何运动前，暖身的伸展运动是非常重要的。

After a warm-up of ten minutes, he started jogging.

暖身十分钟后，他开始慢跑。

16. 伸展 to stretch

stretch 可以当作动词，也可以当作名词用。

伸展收缩：stretch and contract

Every time you work out you should begin and end with a few stretches.

每次健身的前后，都应该做些伸展的动作。

Stretch your arms up!

把你的手臂往上伸展。

为了减低sports injure （运动伤害）的发生：

Always stretch before and during workouts.

健身之前和健身过程，一定得做伸展的动作。

17. 柔暖度 flexibility

flexible （adj.）: 柔软的

Since your flexibility level is bad, you are in desperate need of a stretching routine of some kind.

既然你的柔暖度不是很好，你很急需固定做些伸展的运动。

18. 仰卧起坐 sit-up

If you can do 100 sit-ups every day, you will have a six-pack look soon.

如果你每天都可以做100个仰卧起坐，你很快就会有六块肌。

19. 伏地挺身 push-up

I can do 100 push-ups in a row. Don't get jealous. You will do it someday.

我可以一次做100个伏地挺身。别忌妒。总有一天你也可以的。

20. 劲走 power walking