circumference 核心詞議：
n. 圓周；周長；胸圍
circumference 基本解釋
速記方法
速記技巧
詞根詞綴法
circum-周圍+-fer-攜帶+-ence名詞詞尾
知識擴展
同近義詞
periphery，chest/bust n.[數(shù)]圓周；周長；胸圍；
同根詞匯
circumference adj.circumferential圓周的
circumference 變化形式
復(fù)數(shù)： circumferences
中文詞源：
circumference 周長
circum-,圈，周圍，-fer,帶，攜，詞源同bring,conference.
circumference
精選例句
1、 The earth is almost 25 000 miles in circumference.
地球的周長大約為25 000英里。
2、 The earth's circumference is about 25,000 miles.
地球的圓周約為25,000英里。
常見考點例句：
- That number includes only islands with a circumference of at least 100 meters , or yards .
- 這個數(shù)字只包括周長至少100米或100碼的島嶼。
- When would I ever need to compute the circumference of a circle ?
- 我?guī)讜r曾需要計算圓周長了？
- The area was once enclosed by a city wall that was 10m high and five kilometres in circumference , built in 1555 and torn down in 1911 .
- 這個區(qū)域曾經(jīng)被高10米，周長達5公里的城墻所包圍，城墻建于1555年，拆毀于1911年。
- He then estimated the distance between the two locations and multiplied by 50 to derive the circumference .
- 然后他估算出兩地間的距離，再乘上50便是地球的周長。
- The physics of the small requires big machines : the lhc is a ring with a circumference of 27km ( 17 miles ) .
- 微觀世界物理需要大型機器：lhc是個周長27公里（17英里）圓環(huán)狀裝置。