| 单词 | circumference |
| 释义 | circumference circumference n: (outline of a circle) SC 圆周 yuán zhōu TC 圓周 The circumference of the ring of stones is larger than anyone thought. circumference n: (measurement around a circle) SC 周长 zhōu cháng TC 周長 SC 圆周长 zhōu cháng，yuán zhōu cháng On the geometry exam, the students were required to explain how to measure the circumference of a circle. |
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