1·With a roll ball rocking arm and balance tray. It is a smart design and convenient to be installed quickly.
备有流滚珠式驻持摇臂及平衡托架，设计巧妙，安装简便，快捷。
2·The improved docking simulations were performed on the whole proteins and the results were recollected on different surfaces which were calculated by use of different roll ball sizes.
以目标蛋白质整体为研究对象，采用不同大小的滚球分子计算生成不同的蛋白质表面，分析在不同表面上的对接结果与配基吸附容量间的相关性。
3·If you roll a ball up a slop, it will roll down again.
如果你把球滚上斜坡，它还会滚下来。
—— 《新英汉大辞典》
4·Some animals roll themselves into a ball for protection.
有些动物蜷缩成一团以保护自己。
—— 《牛津词典》
5·You should roll the wool into a ball before you start knitting.
在你开始编织之前，你应该把毛线卷成一个球。
6·Roll each ball in the powdered sugar until it is covered.
把每个丸子滚入糖粉中，直到丸子被糖覆盖。
7·When they feel frightened, they roll up into a ball to protect themselves.
当它们感到害怕时，它们会蜷缩成一团来保护自己。
8·The researchers showed 56 seven-month-old infants an animated cartoon in which a Smurf-like character watches a ball roll behind a rectangle placed on a table through a number of scenes.
研究人员给56个七个月大的婴儿放一系列不同场景的动画片，里面会有一个类似蓝精灵的角色看一个球滚到桌子上的长方体后。
9·When danger comes, I roll myself into a ball so my sharp quills point out in all directions.
遇到危险的时候，我就把身子团成球，这样，我身上尖尖的刺伸向各个方向。
10·Then, with the handle either still attached or removed, the ball becomes a plaything that users can roll, kick and have fun with to agitate the clothing within.
滚至水源点后，可以取下手柄，也可以不取下手柄。 这种洗衣机变成可以滚，可以踢的球，同时也可以嬉戏着搅动衣物。