bronchial bud

例句：

1. 1.The doctor found a bronchial bud in the patient's lung that needed treatment.
   医生在患者的肺部发现了一个需要治疗的支气管芽。
2. 2. During his research, he discovered a rare bronchial bud that had not been reported before.
   在他的研究中，他发现了一个罕见的支气管芽，之前从未报道过。
3. 3. The discovery of this bronchial bud could lead to a new understanding of lung diseases.
   这个支气管芽的发现可能会为肺部疾病提供新的理解。