To emphasize physical size such as length , width , hold your hands out in front you widely apart to move them up and down 如果想要强调长度尺寸的大小，将两手伸向前方，尽量分开，并上下移动。
A cork , bobbing on water as waver pass by is not swept along with the water . rather , it moves up and down with the wave motion 一块在水面上浮动的软木，并未因波的经过被水带走，只是随波上下移动。
The problem is that the sort works through the list of items and moves them up or down through the list based on the comparison operation 问题是排序操作要遍历列表元素，并根据比较操作上下移动列表。
To emphasize physical size such as length , width , hold your hands out in front of you widely apart to move them up and down 如果想要强调长度、宽度等尺寸的大小，将两手伸向前方，尽量分开，并上下移动。
And the cute penguins to a bomb hit it , the very funny oh operations guide : mouse control , up and down loaded the bomb back 和可爱的企鹅一家来撞炸弹吧，非常搞笑的哦操作指南：鼠标控制，上下移动装炸弹回去
Aircraft can move up or down , not forward , in time added fuel to a total of three lives , you can see how many points of hitting 飞机只能上下移动，不能向前，要及时补充燃料，一共三条命，看看你能打到多少分。
The camshaft causes the intake and exhaust valves to open and close in time with the pistons which move up and down in the cylinders 凸轮轴的作用是:当活塞在汽缸里上下移动的时候,控制进气门/排气门的及时打开和闭合
It was very sluggish in almost in every maneuver . no matter how much power was applied , they just couldn t seem to maneuver the boat 各个部份都性能良好，马达运作得非常好，舷尾机上下移动正常，推进器很清洁，样样都妥当。
Contraction of the zygomatic major muscle elevates and retracts the corner of the mouth , while the depressor labii inferioris pulls the lips down and out 大颧肌控制嘴角的延展和收缩动作，降鼻翼肌则负责使上下唇上下移动。
To coordinate the four - stroke cycle , a group of parts called the valve train opens and closes the valves ( moves them down and up , respectively ) 那些打开和关闭气门的气门传动是为了协调四冲程的工作循环(使他们各自上下移动) 。
