Saturn has three main rings, give or take.

土星有三个主环。

There are three main rings: two narrow and one broad.

两个窄的，一个宽的。

About a particular set of glass goblets on the sideboard the odor was particularly noticeable, and in the main room the mahogany table was ringed with white circles where glasses had been set down upon it.

餐具柜上的一组特殊玻璃酒杯的气味特别明显，而在主房间里，桃花心木桌子周围环绕着白色圆圈，上面放着玻璃杯。