On the section through right superior lobar bronchus, the posterior segmental vein descended between posterior and anterior segmental bronchi.
在右肺上叶支气管层面，后段静脉居后段支气管与前段支气管之间；
The bronchi were supplied by the branch of bronchus coming from the common carotid artery.
分布于肺外支气管的动脉有由颈总动脉发出的支气管支。
The air then passes through the larynx and down the trachea. The trachea splits into two tubes, called the primary bronchi. One bronchus passes into each lung.
接着空气通过喉下至气管，气管分为两根，称为主支气管，每一根主支气管通入一叶肺。
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