柯林斯词典bronchiole /ˈbrɒŋkɪˌəʊl/ 1. N any of the smallest bronchial tubes, usually ending in alveoli 細支氣琯 返回 bronchiole剑桥词典in the lungs , one of the very small tubes that branch out from the bronchi and connect to the alveoli (= little air bags ) 細支氣琯 返回 bronchiole