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- David looked up and back, a look of astonishment crossed his face. 大卫仰脸回首一望，大吃一惊。
- As in a kinked garden hose, pressure builds up and backs up. 就像一个打结的胶皮管，压力升高并积聚。
- Please square up and come back at once. 请立即结清帐目回来。
- As you inhale, lift your chin, your neck and then your chest, curving your spine up and back. 吸气时,仰起下颌,脖子和胸脯,你的脊柱向上向后翘起。
- Hair grown past shoulder length should be combed and tied up and back, away from ones shoulders and face. 长发过肩者必须盘起来并避免遮住脸庞和肩膀。
- He sprang up and rushed to the door. 他跳起身，跑到门口。
- The old man stared the uninvited guest up and down. 老人把不速之客上下打量了一番。
- For adults, gently pull the earlobe up and back (pull down and back for children). 将成人耳叶轻轻向上后拉（儿童则向下、后拉）。
- The bus had to back up and turn around. 汽车得往后退，再倒过来。
- He hated to tuck his tail and back down now. 他讨厌此时夹着尾巴退回来。
- It takes me an hour to walk there and back. 我步行一个来回用一小时。
- He folded back his sleeves and back to work. 他卷起衣袖便又开始工作了。
- Operation; The performer takes up and rubs on the buttocks and back of lower limbs with thumbs and another fingers from up part to lower part repeatedly for three to six times. （2） 操作：施术者以两手拇指与四指相对，自上而下拿揉受术者臀部及下肢后侧，反复操作三至六次。
- It took me an hour to walk there and back. 我步行一个来回用一小时。
- He ordered the troops to limber up and move out. 他命令部队把炮装上前车开出去。
- She got her spunk up and left the country. 她一怒之下离开了这个国家。
- She moves her toothbrush up and down and back and forth.To rinse her mouth, she takes some water, swishes back and forth in her mouth and spits it into the sink. 虽然这些事情我们不会天天挂在嘴边，但是通过反复动作并与语言联系，学习效果就会大大增加。
- Please fill up and fax back this authorization letter with a photocopy of above credit card ( both the front and back of the card) to (02)2706-5777 (Front office). 请填写此授权书并将此授权书连同上述信用卡影本(正反面)回传至(02)2706-5777(订房部)。
- The equipment is lashed up and ready to go. 设备已捆扎好，准备启运。
- Ann's face and back are covered with freckles. 安的脸上和背上长满了雀斑。
