重要的是：上背和颈部要挺直以支撑头部，这一点很重要。

It is crucial that the upper back and neck are held in an erect position to give support for the head.

《柯林斯英汉双解大词典》

将你的肩胛挤到一起，专注于拉伸你的上背。

Squeeze your shoulder blades together and concentrate on stretching your upper back.

youdao

整个背贴着躺在地上，脚板放平在地板上，两手放在身体两侧。

Lie on your back, feet flat on the floor, knees bent, hands at your sides.

youdao

但是，在第3章中，当我们有了道德上的背道时，我们该做什么呢？

But, in chapter 3, when we have moral apostasy, what shall we do?

youdao

他们有本质上和趋势背道而行的经历。

They had an experience of essentially going against stream.

youdao

黄色的雾在窗玻璃上擦著它的背。

The yellow fog that rubs its back upon the window-panes.

youdao

他那样从楼梯上跌了下来，使背椎骨严重错位。

He put his back out badly, falling down the stairs like that.

youdao

她弓着背坐在位子上。

She hunched down in her seat.

youdao

我是一只巨大的乌龟，可是你们却住在我的背壳上；

You see, I am a giant turtle, and you are living on my shell.

youdao

这个男孩能熟背世界上所有国家的名字。

The boy can spiel off all the country's names in the world.

youdao

他们不该受到实际上也得不到儿孙的尊敬，他们还忘宗背祖。

They did not deserve or receive the respect of their children and their grandchildren and had forgotten their dead.

youdao

他们不该受到实际上也得不到儿孙的尊敬，他们还忘宗背祖。

They did not deserve or receive the respect of their children and their grandchildren and had forgotten their dead.

youdao