网络释义专业释义
... a vertical line 垂直线 a vertical motion 上下运动 vertical extent 深度 ...
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... movement : 运动；移动；调动；动态；倾向 up and down movement : 上下运动 through movement : 全程运输 ...
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垂直上下运动 vertical up-and-down movement
油管上下运动 tubing reciprocation
做上下运动 Coscillated
滑阀的上下运动 up and down spool movement
上下运动的 seesaw
上位和下位运动损伤 upper and lower motor lesions
工作管柱上下往复运动 work string reciprocation
轿内上/下行手动运行 CUPD
双语例句原声例句
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当上阀杆沿着它的螺纹上下运动时，通过机械连接带着下阀杆一起运动。
When the upper stem rides up and down on its threads it now moves the lower stem by a mechanical connection.
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俯卧撑锻炼手臂肌肉的运动，运动时脸部朝下卧着并把手掌撑在地面上并且用胳膊推动身体上下运动。
An exercise for strengtheningarm muscles performed by lying face down with the palms on the floor, and pushing the body up and down with the arms.
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But if I see you through the glass, the object is going on some trajectory, which has got both up and down and horizontal motion.
但是如果我透过窗户看到你,这个物体沿着某个轨迹运动,既有上下,也有水平方向的运动
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That means, if you are going in a plane and you throw something up in the air, it seems to be going up and down to you.
也就是说,如果你在飞机中,你向空中扔出一物体,它也许会相对于你上下运动
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