AA

名词 aa:

1. a dry form of lava resembling clinkers
2. an international organization that provides a support group for persons trying to overcome alcoholism
   同义词：Alcoholics Anonymous
3. an associate degree in arts
   同义词：Associate in Arts

aa 或 a`a

n.（名词）
Lava having a rough surface.
渣熔岩：表面不平整的熔岩

来源：
Hawaiian `a`3 [to burn, aa]
Hawaiian `a`3 [to burn, aa]