alveoli

alveoli that plug up with phlegm.

被痰堵住的肺

At high magnification, the alveoli in this lung are filled with a smooth to slightly floccular pink material characteristic for pulmonary edema.

高倍镜下，肺腔内充满粉红色的物质为肺水肿。

The alveoli are well-aerated and contain only an occasional pulmonary macrophage (type II pneumonocyte).

肺内充满空气，有肺巨（II型上皮）。