DICT.TW Dictionary Taiwan
ar /ˈɑr/
近似推理
Ar conj. Ere; before. [Obs.]
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Ar
n 1: a colorless and odorless inert gas; one of the six inert
gases; comprises approximately 1% of the earth's
atmosphere [syn: argon, atomic number 18]
2: a unit of surface area equal to 100 square meters [syn: are]
3: a state in south central United States; one of the
Confederate states during the American Civil War [syn: Arkansas,
Land of Opportunity]