revolving

a. 旋转的

The revolving sign was spinning round and round in the wind.

旋转的标志牌在风中打著旋儿.

A revolving cylindrical sieve used for screening or sizing rock and ore.

滚筒筛一种圆筒形的可旋转的筛，用于岩石和矿石的筛分或大小测量