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

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。

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？

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？

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。

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

尽管如此，男孩还是喜欢上下弹跳。

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。

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。

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。

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。

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。

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。

Don't let someone you know isn't good for you bounce back into your life.

不要让那个明知会对你的生活不利的人再进入你的生活；

Washington tried to mix it up for his group-"stand up, come round front, add some resistance, bounce into it a little"-but he admitted that he might need to mix it up more. "I think I'll add jump ropes next week," he said.

华盛顿试着让他的组员把这项运动跟其他运动混合起来做——“站起来，绕到前面，用点力，挤进去一点”——不过他说他可能得综合的再多一点：“我想下星期会把跳绳也加进来。”

Through the analysis of the geological structure characteristic and the reason of producing boulder, rock wall and bottom toe, the blasting test research has been made.

本文介绍了四川双马水泥（集团）有限公司石灰石矿通过分析该矿的地质结构特征，大块、岩墙和根底产出位置及原因，进行爆破试验研究和采取的技术措施，取得了较好的爆破效果；

The construction technology of well point unwatering method, manual pore-forming, manual cut deep concret and erratic boulder, static blast are applied in the foundation project, which solves the problem of the new tower built in the old site.

桩基础方案采用井点降水、人工成孔、深层混凝土和大漂石人工切割与静力爆破施工工艺，成功解决了原塔旧址新建问题。

For the first time, we make use of thermoluminescence technique to demarcate variegation boulder bed which is the district corresponding period sediment guiding bed, the top appear multilayer ash tuff which have similar thermoluminescence parameter;

首次利用热释光技术标定了杂色砾岩层为区域同期沉积的标志层，其上部出现的多层凝灰岩具有相似的热释光参数；

About 10 percent of the land area on earth is currently covered with glacial ice, says the National Snow and Ice Data Center in Boulder, Colorado.

位于科罗拉多州博尔德的美国国家冰雪数据中心表示，目前地球上大约10%的陆地面积被冰川覆盖。

The scientists work for the American space agency and the National Snow and Ice Data Center in Boulder, Colorado.

这些科学家在科罗拉多州的美国宇航局和国家冰雪数据中心工作。

An subregional evaluation is made on destruction fatalness and destructiveness of mountain slope dangerous rock mass and boulder stone.

对山坡危岩体及孤石破坏类型的危险性和危害程度分区段进行评价；

Remove the shower head and place a chicken bouillon cube in it, then put the head back on.

卸下淋浴龙头，在水管里放块鸡汤调味料，再把龙头拧回去。