turtle back arch 圆穹顶
arch back 体后屈 ; 有弧度的底部
arch the back 弓背 ; 塌腰 ; 弓身
Back Arch Tone 背拱音
no back arch concurrent 无后拱顺流
arch one's back 弓背 ; 拱着腰
back of arch 拱背
back to arch 背反弓
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。
With or without back support, do not arch your back.
无论有没有回来支持,不拱你的背部。
Make this action strong, but don't let it cause your front ribs to jut forward or arch your low back.
做这个动作应该有力量,但不要引起肋骨外翻或者下背部成拱形。
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