speed circle的意思|示意

And that linear velocity, which, in this case, is really your speed, is of course the circumference of the circle divided by how many seconds it takes to go around.

线速度，在这个例子里，就是速率，是这个圆环的周长，除以走一圈，需要的秒数。

Uniform circular motion occurs when an object goes around in a circle and when the speed never changes.

匀速圆周运动发生在，当物体沿着一个圆环滚动，速率恒定的情况下。

"Circle Lightning", which means that Opel's unmatched strength and speed; Opel's always full of vigor and vitality.

“圆圈闪电”，即意味着欧宝汽车的力量和速度是无与伦比的；欧宝公司永远充满着生机与活力。