hollow-shaft forerunning girdle-less three-wing bore
英
美
- bore v.使厌烦；开凿；钻孔；挖掘；盯着看n.讨厌的人；麻烦事；(管道、枪炮等的)孔；涌潮；(找水或石油的)钻孔动词bear的过去式.
- forerunning n.初馏
- girdle n.腰带；围绕物vt.以腰带束缚；在...周围绕
- hollow adj.空的；空洞的；凹陷的；虚伪的；(声音)沉闷的n.山谷；洞；窟窿vt.挖空vi.形成空洞adv.完全地；彻底
- less adj.更少的；较少的adv.更少地；较少地n.少量；次要prep.减
