英语语法分析

Do not confuse ever the tangential acceleration, which is along the circumference, with centripetal acceleration.

不要把沿圆周的切向加速度与向心加速度混淆。

We call it "centripetal acceleration."

我们称之为“向心加速度

When the dog shakes, centripetal forces pull the water away.

狗一抖动，向心力就使水脱身而出。