cavernous

形容词 cavernous:

1. being or suggesting a cavern
2. filled with vascular sinuses and capable of becoming distended and rigid as the result of being filled with blood
   同义词：erectile

1. A cavernous yawn; cavernous echoes.
   瓮音的呵欠; 洞中的回声

cav.ern.ous

adj.（形容词）
Filled with caverns.
多洞穴的
Resembling a cavern, as in depth, vastness, or effect:
瓮音的：在深度、广度或效果上类似洞穴的：
例句：
a cavernous yawn; cavernous echoes.
瓮音的呵欠；洞中的回声

Anatomy Filled with cavities or hollow areas; porous.
【解剖学】 多孔的：充满孔穴或空洞区的；多孔的

【引伸】
cav.ernously
adv.（副词）