柯林斯词典bronchus /ˈbrɒŋkəs/ 1. N either of the two main branches of the trachea, which contain cartilage within their walls 支气管 返回 bronchus剑桥词典one of the two tubes that branch from the trachea (= tube that carries air from the throat to the lungs ) and carry air into the lungs 支气管 返回 bronchus