move up and down 查询结果如下：
rise and fall regularly; move up and down
一起一伏
属类：汉英词对 --
to pump;to beat;to jump;to throb;to pulsate;to flop; move up and down
跳动
属类：简明汉英词典 --
Front-wheel tramp, also called high-speed shimmy. This condition causes the front wheels to move up and down alternately.
前轮颠簸,也称为高速摆振:这种情况是由于前轮上下交替运动所引起的。
属类：工程技术 -汽车
The springs will further compress or expand as the car wheels encounter irregularities in the road. Thus, the wheels can move up and down somewhat independently of the frame.
当车辆行使在路面上时,弹性元件会进一步地伸缩,这使车轮能时时独立于车架做上下运动。
属类：工程技术 -汽车
Not only must the front wheels move up and down with respect to the car frame (for spring action), But also they must be able to swing at various angles to the car frame for steering.
前轮不仅要相对车架做上下运动(由于弹簧作用),而且在转向时能够相对车架做各种角度的摆动。
属类：工程技术 -汽车
The driveshaft has joints, just as your arms and legs have. The joints allow the shaft to move up and down as the wheels go over bumps.
传动轴有接头，就像人的手臂和腿关节一样，当汽车在高低不平的地方行驶时，接头可使传动轴上下移动。
属类：工程技术 -交通 -交通工具
Move up and down or to and fro
上下或往复移动
属类：综合句库 -典型例句
(of a ship or an aircraft) move up and down on the water or in the air
(指船或飞行器)在水上或在空中颠簸
属类：综合句库 -典型例句
It aroused in Winston dim memories of something seen long ago on a wall or a hoarding--a vast bottle composed of electric lights which seemed to move up and down and pour its contents into a glass
这使温斯顿模糊地想起很久很久以前在墙上或者广告牌上看到过的什么东西--用电灯泡组成的一只大酒瓶，瓶口能上下移动，把瓶里的酒倒到杯子里。
属类：综合句库 -
To sway, move up and down ,or droop,as flowers in the wind.
上下摆动弯曲上下来回移动或垂下，如在风中的花朵
属类：综合句库 -
In the Desktop Area section, reset your monitor’s display to 800 by 600 or greater ;Click OK; If you can’t see the entire page from top to bottom, simply use the scroll bar at the right of your screen to move up and down .
在桌面区域中，将显示器设置为800x600或更高;点击确认;如您无法看到整个页面，上下拖动屏幕右方的滚动条即可。
属类：单位简介 -银行 -花旗银行
The piston is essentially a cylindrical plug that moves up and down in the engine cylinder. It is equipped with piston rings to provide a good seal between the cylinder wall and piston.
实质上活塞是一个在气缸中上下移动的圆筒状的塞子。上面装有活塞环,从而使活塞和气缸壁之间具有良好的密封性。
属类：工程技术 -汽车
A part of the house had gone down and the floor moved up and down under their feet.
房子的一部分已经倒塌了，地板在脚下一浮一沉的。
属类：学习英语 -教材英语 -高一课文
The wire ropes which support the car are fixed to a heavy counterweight which moves up and down the lift shaft on separate guide rails.
支撑电梯厢的钢丝绳另一端固定在一个平衡配重上。平衡配重在升降井里沿着单独的导轨上下移动。
属类：工程技术 -建筑 -建筑物
Piston and cylinder: In mechanical engineering, a sliding cylinder with a closed head (the piston)that moves up and down (or back and forth)in a slightly larger cylindrical chamber (the cylinder)by or against pressure of a fluid, as in an engine or pump.
活塞和汽缸:在机械工程中，头部封闭的滑动汽缸(活塞)，在略大的光滑圆筒(汽缸)内藉助或对抗流体的压力而上下(往复)运动，如发动机或泵。
属类：工程技术 -机械与工具
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。
属类：综合句库 -
Which jaw moves up and down when you talk?
您说话时哪个颌上下抖动?
属类：英汉句库 -
The adjustable headrest can be moved up and down to help provide the optimum passenger comfort.
可调式头枕也可前后上下移动，提供最佳乘坐享受。
属类：单位简介 -汽车公司网站 -雪佛兰
With independent suspension, each wheel is free to move up and down with minimum (least attainable)effect on the other wheel. There is also far less twisting motion imposed on the frame.
使用独立悬架,每个车轮都可以自由地上下运动,几乎不受另一车轮的影响,而且车架的扭动也会大大减少。
属类：工程技术 -汽车
That is to say, as the rear axle housing, with differential and wheels, moves up and down, the angle between the transmission output shaft changes.
也就是说,当后桥壳随差速器、车轮一起上下运动时,与变速器输出轴之间的角度发生改变,传动轴的长度也随之改变。
属类：工程技术 -汽车
These metals have better wearing qualities than aluminum and can better withstand the wearing effect of the pistons and rings moving up and down in the cylinders.
这类金属的耐磨性比铝更好,能更好地经受住活塞和活塞环在气缸中上下运动产生的磨损。
属类：工程技术 -汽车
独上高台望四海 手揽云月傍天飞， 落叶重重已十月 归鸟凄凄啼心扉。
