back to arch的意思|示意

The two variations of the dhanur-asana have to do with the method of breathing and the amount of arch of the back.

只有正确的呼吸方法才可发完成两种变化体式，完成背部伸展的极限。

Baby may also scream and arch his back to let you know that something needs to be changed.

宝宝还可能尖叫和挺直后背来让你知道需要改变什么。

He fought back from behind to cross the finish line shoulder by shoulder with arch rival Terrence Trammell, silver medalist in the Berlin world championships.

他从后追上泰勒梅尔两人肩并肩冲过终点，继柏林世锦赛后获得银牌。

Thee arch-rivals were locked at 16-16 in the final game before Lee took a 20-17 lead to have three match points to win it, only for Lin to dramatically haul it back to 20 all.

在第三局中，这对劲敌战至16平，之后，李宗伟20比17率先获得赛点，不过林丹奋力反击，竟戏剧性的将比分追至20平。 。

They straighten and arch upward from their lower back, which has a nervous breakdown [anything from soreness to more permanent injury] because it's getting all the stress, "says Price."

他们从他们的腰背部挺直和拱起，这些都会造成神经性的伤害(有些从暂时的伤痛变成永久性的伤害)因为腰背承受着所有的压力。

The paper introduces uneven load in the arch-back to calculate the internal force in the linking of an interval tunnel for a metro line by theoretical formula and elastic uniform rigidity ring model.

采用拱背非均布荷载作用模式，利用理论计算公式结合弹性匀质圆环法对某城市地铁区间隧道衬砌管片进行内力计算。