英语语法分析

Numerous nodules surround the central bronchi and vessels.

大量的结节包绕肺门旁的支气管和血管。

The bronchi, in turn, branch again and again into ever-smaller bronchioles.

支气管依次分枝成许多非常小的细支气管。

The left and right bronchi branch off from the trachea and carry oxygen further into the lungs.

左、右支气管是从气管分支出来，它使氧气更加深入的到肺里。