circumference
Umfang 
omtrek 
circonférence 
circonferenza 
circunferencia 
เส้นรอบวง 
đường tròn 
圆周 | (IELTS4000) circumference | Definition: boundary line of a circle, figure, area, or object |
| (SAT5000) circumference | Definition: The boundary-line of a circle. |
| (ESS4000) circumference | Definition: A circumference is the distance completely around a circular object. | Example: →The circumference of the Earth is obviously much larger than a baseball’s. |
chu vi | HSK5000 A1+A2+B1 |
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| HSK5000 B2 + C1 |
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