ring n.戒指;环;圈;拳击场;马戏场;帮派n.铃声;钟声;电话;口气v.包围;环绕;形成圈v.打电话;回响;鸣响;按铃;听上去
双语例句
The principle of tracheostoma construction uses an intact cartilage ring of the trachea to serve as a natural stenting and avoids the use of the tracheotomy tube. 手术的原则在于维持一个完整的气管软骨环,以作为气管造口自然的支撑,同时手术后并避刷使用气管内管。