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圆周率
圓周率
yuánzhōulǚ
1. the circular ratio
2. pi = 3.1415926

Character Breakdown

圆
yuán
circle; circular, round; complete
HSK 5 10 丶
周
zhōu
Zhou dynasty; circumference
HSK 3 8 丶
率
lǜ
to command, to lead; rate, ratio, proportion
HSK 5 11 丶

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