背手：背着手，把手放背后，又称被绑着手。
肩背手提包 Satchels
腰背手术 Low back surgery
直背手锯 straight back hand saw
手背 the back of the hand ; [解剖] dorsum of hand
背后换手 Change of Hand Behind Back ; Change of Hands Behind Back
手背藏牌 back palm
斜背手提两用包 Carry Case
冰晴水泥鳅背手镯 ice clear water loach back bracelet
背书手续费 endorsement commission
弯背无扶手椅 curved-back armless chair
整个背贴着躺在地上，脚板放平在地板上，两手放在身体两侧。
Lie on your back, feet flat on the floor, knees bent, hands at your sides.
然后我要将我的手收回，你就看见我的背，却不得见我的面。
Then I will remove my hand and you will see my back; but my face must not be seen.
我们时常碰见自己的同学或是外班的好伙伴，友好地招一招手，亲热地拍一拍背，亲切地问候两句，也许还会聊一聊最近做了些什么。
We often see their classmates or outside class the good partner, to recruit a wave, affectionately taps a back, kindly greetings, may also be a chat recently what to do.
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