英语词汇up and down motion怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

网络释义

1
?上下起伏
... north-up relative motion display 北点朝上相对运动显示 up and down motion 上下起伏 take-up motion 卷取运动 ...

短语

1
up-and-down motion
垂直方向往复运动
2
up-and-down or to-and-fro motion
上下或往复的移动

双语例句

1
Two small pouches, placed in the bottom of a shoe, are filled with the fluid and generate a current whenever they are compressed by the foot’s up and down motion.
当他们将两个装有该流体的小袋子置于鞋内时，它们就会因人脚抬升和下落的动作而受到挤压，从而产生电流。
2
A group of students from MIT also recently announced the development of a shock absorber for vehicles that USES the up and down motion when driving to generate electricity.
另外一群MIT的研究者们最近也开发了一种车用脉冲吸收器，它可以利用汽车运行过程中的上下振动来产生电能。
3
If I see you through the glass, the object is going on some trajectory, which has got both up and down and horizontal motion.
如果我透过窗户看你，物体在一些轨道上，有上升和下降，也有水平运动。

单词	up and down motion
释义	up and down motion 简明释义上下起伏网络释义 1 ?上下起伏 ... north-up relative motion display 北点朝上相对运动显示 up and down motion 上下起伏 take-up motion 卷取运动 ... 短语 1 up-and-down motion 垂直方向往复运动 2 up-and-down or to-and-fro motion 上下或往复的移动双语例句 1 Two small pouches, placed in the bottom of a shoe, are filled with the fluid and generate a current whenever they are compressed by the foot’s up and down motion. 当他们将两个装有该流体的小袋子置于鞋内时，它们就会因人脚抬升和下落的动作而受到挤压，从而产生电流。 2 A group of students from MIT also recently announced the development of a shock absorber for vehicles that USES the up and down motion when driving to generate electricity. 另外一群MIT的研究者们最近也开发了一种车用脉冲吸收器，它可以利用汽车运行过程中的上下振动来产生电能。 3 If I see you through the glass, the object is going on some trajectory, which has got both up and down and horizontal motion. 如果我透过窗户看你，物体在一些轨道上，有上升和下降，也有水平运动。
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