Home/drawtubedrawtube/draw-toob, -tyoob/US // ˈdrɔˌtub, -ˌtyub //UK // (ˈdrɔːˌtjuːb) //拉管,牵引管,拔管,抽管Definitionsn.名词 noun1: a tube sliding within another tube, as the tube carrying the eyepiece in a microscope.Level 3Browse all words →