| 单词 | circumference |
| 释义 | Word Frequency circumference(səˈkʌmfərəns) noun 1. the boundary of a specific area or geometric figure, esp of a circle 2. the length of a closed geometric curve, esp of a circle. The circumference of a circle is equal to the diameter multiplied by π Derived forms circumferential (səˌkʌmfəˈrɛnʃəl) adjective circumferentially (cirˌcumferˈentially) adverb Word origin C14: from Old French circonference, from Latin circumferre to carry around, from circum- + ferre to bear |
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