Ostracodes are small animals, most of which have a two valved shell.介形虫是小型动物, 其中大部份都具有两瓣的外壳.A large, valved, brass wind instrument with a bass pitch.大型带活塞的低音铜管乐器.Q 20 : Can a valved respirator be used for protection from...

valved的音标：valved的英式发音音标为：['vælvd]valved的美式发音音标为：['vælvd]...

adj.装有阀的...