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单词 pi
释义 piBrE /paɪ/NAmE /paɪ/ noun(geometry 几何) the symbol π used to show the ratio of the circumference of (= distance around) a circle to its diameter (= distance across), that is 3.14159… 圆周率the 16th letter of the Greek alphabet (Π, π) 希腊字母表的第 16 个字母
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更新时间:2025/5/16 16:09:03