| 单词 | pi |
| 释义 | pi pi1 /puy/, n. , pl. pis. 1. the 16th letter of the Greek alphabet. 2. the consonant sound represented by this letter. 3. Math. a. the greek letter used as the symbol for the ratio of the circumference of a circle to its diameter. b. the ratio itself: 3.141592+. [1835-45; < Gk pî, peî; used in mathematics to represent Gk periphérion periphery] pi2 /puy/, n. , pl. pies, v. , pied, piing. n. 1. printing types mixed together indiscriminately. 2. any confused mixture; jumble. v.t. 3. to reduce (printing types) to a state of confusion. 4. to jumble. Also, pie. [1650-60; orig. uncert.] |
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