bulla是什么意思音标:英 ['bʊlə]美 ['bʊlə]

n. 大疱, 大水疱
[医] 大疱, 大泡

n. the round leaden seal affixed to a papal bull

bulla的用法和例句：

1.Judging from the size of her emphysematous bullae in her upper lobes, she only has a few weeks left.

根据她上叶肺大泡的大小判断 她只有几周可以活了