AR

名词 ar:

1. a colorless and odorless inert gas; one of the six inert gases; comprises approximately 1% of the earth's atmosphere
   同义词：argon, atomic number 18
2. a unit of surface area equal to 100 square meters
   同义词：are
3. a state in south central United States; one of the Confederate states during the American Civil War
   同义词：Arkansas, Land of Opportunity

ar

n.（名词）
Variant of are 2
are的变体2

ar
ar 2

n.（名词）
The letterr.
字母r.

来源：
Middle English arre
中古英语 arre
from Late Latin er
源自 后期拉丁语 er