例如，假设想要有一个在屏幕中沿着圆形轨迹运动的项。
As an example, say you have an item that you want to move in a circular orbit around the screen.
这不只是在椭圆形的健身房里运动。
It doesn't just have to be working the elliptical at the gym.
就如我们所看见的龙卷风和飓风进行着圆形运动，由于气团应答着相互冲突的力量，大气层也在进行旋转运动。
It swirls, as circular motion in air masses is the response to conflicting forces, as seen in the circular motion of tornadoes and hurricanes.
这项运动日见普及，到1871年，“橄榄球联盟”在伦敦成立，拟定了现代的规则：每一队15人，使用椭圆形球比赛。
The game grew in popularity, and in 1871, the Rugby Union was formed in London. It drew up the modern rules for a 15-a-side game using an oval ball.
西方媒体也在大肆报道“火罐”疗法，比如英国广播公司的标题“为什么这么多奥林匹克运动员身上有这些红色圆形印记？”
Western media also couldn't stop reporting about it, with headlines like the BBC's "Why are so many Olympians covered in large red circles?"
西方媒体也在大肆报道“火罐”疗法，比如英国广播公司的标题“为什么这么多奥林匹克运动员身上有这些红色圆形印记？”
Western media also couldn't stop reporting about it, with headlines like the BBC's "Why are so many Olympians covered in large red circles?"
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