在肺里，主支气管又进一步分为越来越小的支气管。最后分成细支气管。

In the lungs, the bronchi further divided into smaller and smaller bronchi, and finally into bronchioles.

youdao

在肺里，主支气管又进一步分为越来越小的支气管。最后分成细支气管。

In the lungs, the bronchi further divided into smaller and smaller bronchi, and finally into bronchioles.

youdao