单词back straight
un.: 反手直线球
网络: 非终点直道；中途直道；后直道上
反手直线球
Elongate your spine as if a thread extending from the top of your crown was pulling your head, neck and back straight up towards the sky.
伸展你的脊柱，好像有一根线从头顶直直的往上拉你的头，脖子和后背。
and I had to use my hands to support my waist, tried to keep my back straight, and avoided pushing too much pressure on my belly.
而且还得用双手支撑着腰部，尽量让后背保持直立，避免往腹部施加太多的压力。
The most essential point of the meditation posture is to keep the back straight, like "an arrow" or "a pile of golden coins" .
禅坐姿势的最大要点是要保持背部挺直如箭，或如一堆金币。
Lifts: Seated in a chair with your back straight and your feet on the floor, squeeze knees together and gently bring them toward your chest.
举腿：在椅子上坐直，脚放在地板上，然后把膝盖弯曲尽力向胸靠拢。
Some debtholders did not get their money back straight away, a technical default.
一些债务持有人没有直接拿到他们的钱，这是技术上的违约。
My grand mother is very keen on good manners: brushing your teeth, keeping your back straight and all that jazz.
我奶奶可讲究好习惯了，什么要刷牙，背要直啦那一套。
His vision is just straight forward to go out again with back straight and did not bring back anything to.
他的眼光只是直着出去，又直着回来了，并没有带回什么东西来。
At the time of delivery, the head should be erect and the back straight.
器械出手的瞬间，头要抬起，背要直。
When you lift, squat close to the object with your back straight and head up.
当你要搬运重物时，你应该在它附近蹲下来，并挺直你的背，抬起你的头。
Sit in a comfortable position with your back straight, and close your eyes.
在一个舒服的地方坐下，挺直腰板，然后闭上你的眼睛。