AR是什么意思_AR怎么读_音标ɑ:

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AR是什么意思音标:英 [ɑ:]美 [ɑr]

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n a colorless and odorless inert gas; one of the six inert gases; comprises approximately 1% of the earth's atmosphere
n a unit of surface area equal to 100 square meters
n a state in south central United States; one of the Confederate states during the American Civil War

AR的用法和例句：

1.I would have left, but the roads ARs closed.

要不是因为道路封闭我早就走了

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