Hands behind your head back 把双手放在脑后
hands behind your back
双手放在背后
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Please keep your hands behind your back.
请把手放在背后。
youdao
"Hands behind your back," Loesser ordered, running to her.
“手放在身后，”Loesser边命令边朝她跑去。
Stand evenly on both feet, clasp hands behind your back and squeeze shoulder blades together to open your chest.
双脚着地平稳站立，双手紧扣于后背并将肩胛骨向后推挤做扩胸运动。
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