Should you sit upon a cloud you would not see the boundary line between one country and another, nor the boundary stone between a farm and a farm.

The ship was pounded to pieces against the rocks. boundary stone of monumental or building stone ( excl. slate, marble, travertine and alabaster)

那船在岩石上撞得粉碎.界石[纪念碑用或建筑用，石料制的（不包括板岩、大理石、凝灰石和蜡石）]

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Analysis of the Pitching and Bouncing Motion of the Car

汽车俯仰与跳动复合运动的分析

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Study on the movement of bouncing ball

弹跳球运动的理论分析与数值研究

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Effects of Air Resistance on Subharmonic Motion of Completely Inelastic Bouncing Ball

空气阻力对完全非弹性蹦球倍周期运动的影响

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Classical and quantum behavior of bouncing ball model with a oscillating border

一个边界振荡的台球模型的经典及量子特性

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In this paper, the mechanical system of the bouncing ball was discussed and the corresponding computer simulation was established. Then we can observed kinds of dynamic behaviors of the bouncing ball.

本文讨论了反弹球的力学系统，建立了相应的计算机模拟，从中可观测到反弹球的多种动力学行为。

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Bacteria under the microscope, even those with no flagella, often bounce about in the water.

在显微镜下，细菌，甚至包括那些没有鞭毛的细菌，经常在水中跳来跳去。

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A raisin dropped in a glass of fresh champagne will bounce up and down continuously from the bottom of the glass to the top.

把葡萄干放在香槟酒中，葡萄干会在玻璃被里面上下浮动。

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I rode him like a pro the other just stood and watched me bounce up and down on his stiff hard cock.

i骑上他像一个专业，其他只是站在，并观看了我反弹向上和向下对他的僵硬硬公鸡。

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Without this shock-absorber action the piston could bounce up and down, causing erratic carburetor action and poor engine performance.

没有这个减振作用，活塞会上下窜动，引起化油器工作异常，导致发动性能变坏。

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Nurse: Will you bounce up and down on your bed please, sir?

护士：先生，您能在床上跳几下吗？

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Medicine Patient: Why do you ask me to bounce up and down on my bed?

病人：为什么你让我在床上上下蹦跳呢？

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The vibrations can cause houses to slide off their foundations, and can make buildings contract, expand, shake from side to side, and bounce up and down.

震动会使房屋滑出它们的建筑，会使建筑物收缩、廓张，两边摇晃，和上下弹跳。

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Even though, the boy liked to bounce up and down.

尽管如此，男孩还是喜欢上下弹跳。

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Even observers who, like us, had expected America to bounce along near the bottom for a while had not expected growth to be this low.

即便是对于我们这些预料到美国经济会在底部边缘徘徊一段时间的观察者来说，这个数字都低得令人惊讶。

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There was the nifty bounce pass into the post by China's Sun Yue, expertly delivered at the proper height and to the proper hand of Ali Traore of the Ivory Coast for a score.

中国球员孙悦很漂亮的反弹球传到篮下，非常准确和舒服到了象牙海岸球员的手里让他打中得分。

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When they did, McComas and colleagues determined that as many as10% of the solar protons that hit the moon bounce back into space as hydrogen atoms.

当麦科马斯及同事利用科学模式探测时，他们测定在撞到月球的太阳质子中，多达10%作为氢原子弹回太空。

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Most brands recognise that their survival depends on partnering with high-street retailers in collaborations that will bounce them into a broader market.

绝大多数品牌都意识到，他们的生存取决于与高街零售商结成伙伴展开合作，这能将他们推向更加广阔的市场。

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Without these naturally occurring gases, the sun's rays would bounce back into space leaving the Earth cold and impossible to live on.

如果没有这些自然产生的气体，太阳的能量将会被反射回太空去，地球将处于寒冷之中，而不适合生命的存在。

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Sievert [ radiation quantity] It traps many of the heat waves which would otherwise bounce back into space.

它可吸收大量未反射到太空中去的热辐射波。

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