bulla

水疱、囊泡或其他薄壁腔或病变。

A blister, vesicle, or other thin-walled cavity or lesion, as

用糖蜜制成并加姜和肉豆蔻调味的牙买加蛋糕。

A rich Jamaican cake made with molasses and spiced with ginger and nutmeg.

水疱；囊泡；薄壁腔隙

A blister, vesicle, or other thin-walled cavity or lesion, as:

一种粘土信封或空心球,通常在外面有印章印记或文字,指示其内容。

A clay envelope or hollow ball, typically with seal impressions or writing on its outside indicating its contents.

骨泡；骨性隆起

Any of several hollow structures as features of bones.