To increase the contact area and permit larger loads to be carried, the balls run in curvilinear grooves in the rings.
为了增加接触面积并承受较大载荷，滚珠在内外环的曲线槽内滚动。
But in other subjects, in chemistry, for example, some of them may run rings around you.
但是在其他科目方面，例如化学，有些同学远比你强。
Don't run rings in the room. It makes me dizzy.
别在屋里绕着圈跑，我的头都晕了。
Don't run rings in the room. It makes me dizzy.
别在屋里绕着圈跑，我的头都晕了。
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