英文字典中文字典51ZiDian.com
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AR 音标拼音: ['ɑr] 近似推理 近似推理 Ar n 1: a colorless and odorless inert gas; one of the six inert gases; comprises approximately 1% of the earth's atmosphere [synonym: {argon}, {Ar}, {atomic number 18}] 2: a unit of surface area equal to 100 square meters [synonym: {are}, {ar}] 3: a state in south central United States; one of the Confederate states during the American Civil War [synonym: {Arkansas}, {Land of Opportunity}, {AR}] |
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