| 词汇 | 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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