Moreover, even though humans have been upright for millions of years, our feet and back continue to struggle with bipedal posture and cannot easily withstand repeated strain imposed by oversize limbs.

此外，尽管人类已经直行走数百万年，但我们足部和背部仍难以适应两足直态，无法轻松承受过大肢体反复施加压力。

And that same zeal for action can be seen in Saudi foreign policy, with a much more muscular posture towards its arch rival Iran, in places like Yemen and Lebanon.

这项改革热情也延续到来了沙特外交政策上，在也门和黎巴嫩问题上，沙特对其主对手伊朗展现出了强硬态。

Notice your posture, are you hunched or tense?

留意你体态，是驼背还是紧张？

You'll sub breathing for bleeding, posture for pasture, agility for futility.

你会用呼吸替流血，用势替牧场，用敏捷替徒劳。

Subtly miming your interviewers posture can actually create a sense of connection.

巧妙地模仿面试官态确可以增加亲近感。

Being cognizant every day about my posture.

每天都注意自己势。

This is their traditional negotiating posture, you know, turn up the heat, shoot a missile.

这是他们传统谈判态，你懂，加大力度，发射导弹。

With a posture that communicates " I can hear anything you want to tell me."

以一种态表达“我能听到你想告诉我任何事情” 。

" Korea needs to get over its 'small country' mentality and adopt an active posture."

“韩国需‘小国’思维，采取积极态。”

He has soft features, a stooped posture and droopy eyes that suggest a melancholic disposition.

他面容柔和，态微驼，双眼低垂，流露出忧郁气质。

You mean that within the framework of the guidelines about open government that you have laid down, you're suggesting that we should adopt a more flexible posture?

你意思是说，在你安排透明政府指引方针内你建议我们应该采用一个更灵活态度？

Captain Nemo, arms crossed over his chest, knelt in a posture of prayer, as did all the friends of him who had loved them.

尼摩船长两手交叉在胸前，死者曾经爱过所有朋友们，都跪下来，作祈祷态。

The final posture that I chose was taken from a photograph where I was led on the ground looking up.

我选择最后一个势是从地上仰拍照片。

What do our postures and facial expressions say to you?

我们动作和脸部表情传达了你什么信息？

Well, you understand what these different postures mean.

你了解这些不同手势表什么。

Great posture, he had a little jump in step. They're going to the car.

良好仪态，他还小跳了一下。他们正在上车。

So it may take some time, but making sure you sit in the correct posture will eventually pay off in the form of a safe back and neck.

保持良好坐也许需花一些时间来坚持，但是它能保障颈背健康，那么它就是值得。

In one experiment, they asked a group of students to improve their posture for two weeks, thereby practicing mental discipline in one area.

在一个实验中，他们求一组学生改善两周他们势，借此实践一个区域中智力训练。

And that crouched posture is really typical of most animals.

那种蜷伏势是大多数动物典型特征。

Gunasekera says changing his posture made a huge difference.

Gunasekera说改变自己势非常有效果。