如果感觉在这个体式上不能稳定，将后脚跟或后背靠墙使自己得到支撑。

Brace your back heel or the back of your torso against a wall if you feel unsteady in the pose.

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在另外一节钟摆课上，他背靠墙站着，抓着钟摆末端的铁球，紧贴着他的下巴。

In another lecture on pendulums, he stands back against the wall, holding a steel ball at the end of a pendulum just beneath his chin.

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有时让你的狂徒背靠墙壁或悬崖来减少能够包围你的小狗数量能起到不错的效果。

Sometimes it helps to even back up your zealots against a wall or a cliff edge and reduce the amount of wrap around that the zerglings can pull off.

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可以背靠墙来检查身体是否排成直线。站立，后脚跟、骶骨和肩胛骨接触墙面。(后脑不接触墙。)

You can check your alignment in this pose with your back against a wall. Stand with the backs of your heels, sacrum, and shoulder blades (but not the back of your head) touching the wall.

youdao

可以背靠墙来检查身体是否排成直线。站立，后脚跟、骶骨和肩胛骨接触墙面。(后脑不接触墙。)

You can check your alignment in this pose with your back against a wall. Stand with the backs of your heels, sacrum, and shoulder blades (but not the back of your head) touching the wall.

youdao