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单词 diameter
释义
diameterdiameter /daɪˈæmət̮ɚ/ ●●○ noun [countable, uncountable] Etymology Collocations 1the width or thickness of something in the shape of a ball or a cylinder:  Shape the dough into balls about one inch in diameter (=in width).2math, geometry a line from one side of a circle to the other that passes through the center point, or the length of this line [Origin: 1300–1400 Old French diametre, from Greek diametros measure across]
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更新时间:2024/12/22 18:24:46