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- Friction causes a rolling ball to stop finally. 摩擦力使滚动的球最终停了下来。
- Polymer micro - ball (PMB) was introduced into water based lubrication as a new type additive based on the "roll ball" model. 根据边界润滑中的“滚珠”模型;将聚合物形微粒(PMB)作为新型的润滑添加剂引入到水基润滑中.
- The rolling ball came to rest at the foot of the hill. 滚动的球在山脚停住了。
- Some of the training was a little bit of running out, catching a rolling ball and throwing it. 有些训练需要适量的跑动,扑球然后扔出去。
- Owning excellent self-lubrication properties, fullerene and CNTs have potential ability to be "molecular rolling ball (shaft)" additives. 富勒烯和碳纳米管具有优良的自润滑性，有成为“分子滚珠（轴）”润滑添加剂的潜力。
- Uncompromising craftsmanship and a bright chrome finish make the Townsend Lustrous Chrome Selectip rolling ball pen a selection of uncommon value. 本月促销：购物满10000元，可获赠价值500元美国高仕笔一支。（欧米茄表除外）.
- Put the ball carefully on the table, so that is won't roll off. 球放到桌上时要小心，别让它滚下来。
- Chock the barrel up or else it will roll over. 用楔子塞住圆桶,不然它会滚过去。
- The author compares the development of language as a rolling ball, and visually explains the status and function of newly emerged elements in the rolling forms. 作者将语言的发展比作一个向前不断滚动前进的球体，形象说明了新生语言成分在语言整体发展的过程中所处的语言地位及其对语言整体体系发展的影响和作用。
- GD Linear ball bearings (drawn cup recirculating ball linear bearings) are made of punched and quenched outer ring and plastic cage with a set of rolling ball. GD直线运动球轴承（冲压外圈循环式直线运动轴承），由一冲压且淬硬的外圈和带一组钢球的塑料导引保持架所构成一完整的装配单元，可直接压入座孔内。
- The slow steady roll of the ship made him sick. 轮船不停地缓慢摇晃使他感到不适。
- Application method: After washing face, use rolling ball to rub on pimples to let the effective ingredients penetrate successfully for the perfect effect. 使用方法：洁面后，直接用滚珠在暗疮部位轻轻涂抹，使本品有效成份顺利渗透，达到最佳效果。
- The desk calculator use a roll of paper. 这台台式计算机使用卷纸。
- She is crazy about rock and roll. 她喜欢摇滚乐。
- I'm going to a rock and roll concert tonight. 我今晚正要去参加摇滚音乐会。
- He singled and went to second on a passed ball. 他击出一垒打，再因对方漏接而跑上二垒。
- If the table top isn't level, things will roll off. 如果桌面不平，东西就会滚下来。
- Thence Weiyuan ball screw assembly adopt Rexroth precision rolled ball screws assembled with Weiyuan ball nuts make us have the ability to provide flexible solutions with better cost-efficiency to our customers. 至此，威远公司的滚珠丝杠副产品采用博世力士乐公司的精密滚压丝杠，以配合威远生产的精密滚珠螺母，为客户提供更高性价比的产品及专业的柔性解决方案。
- The boy turned up missing at roll call. 小男孩在点名时不见了。
- In cricket, the ball is delivered overarm. 打板球时，要举臂过肩掷球。
