环的英文

ringround都可以

ring/round/circle

●五环内英语怎么说？〓

环形

n.   annulus

adj.  annular

短语：

例句：

希望能帮助到你，望采纳！

环形翻译环形 [词典] annular; ringlike; ring form; bight; Technique for passive phase locking of fiber lasers by an all-optical feedback loop is studied theoretically and experimentally.