释义 |
di.a.me.terHdaI5Am7I7tE5, $-E7tLn [C]the (length of a) straight line which goes from one side of a round object to another, through the centre of the object直径The diameter measures twice the radius. [C]直径为半径的两倍。The pond is six feet in diameter. [U]池塘直径六英尺。
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