bulla
常见例句
- The objective of this dissertation is to study ancient bullas as Seal Cutting Art on characters transformation, prettification, combination and the arrangement .
本文的出发点是以篆刻艺术的眼光看待古玺中的文字的变形、美饰手段、组合方式和文字的排列方式（章法）。 - Double-cavity tracheal cannulas were used during operations to reduce the injury of lung, complete removal of bullas and lung-volume reduction to be done when needed.
术中应用双腔气管插管，减少对肺部的揉搓，彻底切除肺大疱，必要时同期行肺减容手术。 返回 bulla