今夕访古
She's tiny, in this case some boys call her "square root of 2". Actually she is in deed a good teacher of physics.
lijieqin不想长大
根号2用英语表达为:the square root of two.平方根应该表达为:square root。例句:①The square root of nine is three.九的平方根是三。②The square root of 5 is a surd. 5的平方根是不尽根.相似地,立方根是:cube root 。
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