roundabout的意思是:adj.绕道的;迂回的;n.环形交叉路口;n.(英)旋转木马;n.紧身短上衣。roundabout的双解释义是n.(名词)[C]绕行路线,绕道,环状交叉路 a place where three or more roads meet,which has a usually circular area in the middle round which the traffic must go,rather than straight across。roundabout的读音是英['ra?nd?ba?t];美['ra?nd?ba?t]。