" Spin" and " rotate" as verbs both involve circular movement.

作为动词的spin和rotate都涉及圆周运动。

But the circular movement of nutrients isn't to be confused with the way that energy flows.

但养分的循环运动不能与能量流动的方式相混淆。

So, what you're doing is you're making circular movements.

所以，你所做的就是做圆周运动。

The most commonly recommended techniques incorporated circular movements and horizontal brush strokes.

最常推荐的技术包括圆周运动和水平笔触。

Because of their circular movement, these windstorms are also known as " twisters."

由于它们的圆形运动， 这些风暴也被称为“龙卷风” 。

So, while there is not one standardised technique, most dentists recommend a combination of horizontal and circular movements, lasting for between two to three minutes, two or three times a day.

因此，虽然没有一种标准化的技术，但大多数牙医建议结合水平和圆周运动，持续两到三分钟，每天两到三次。