circumference 

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单词释义
n.圆周,圆周长
词根词缀记忆/谐音联想记忆 补充/纠错
词根circum 环绕,周围 + fer 带来 + en …………
词性拓展记忆 / 词形拓展记忆
原形:circumference复数:circumferences
词根记忆 / 词缀记忆
circumference周长(circum+fer带来=ence=带来一圈=周长)
circum-表示”环绕,周围”
circumcise环割(circum+cise切=环切)
circumference周长(circum+fer带来=ence=带来一 …………
词组和短语补充/纠错
circumference ratio 圆周率
chest circumference 胸围
waist circumference 腰围
circumference angle 圆周角
circumference measurement 圆周测量
inner circumference 内圆周
单词例句
The earth's circumference is more than 40000 kilometers.
地球的周长为四万多公里。
Pi is the ratio of a circle's circumference to its diameter.
圆周率是圆的周长与直径之比。
This tree has a circumference of 6 feet.
这棵树周长六英尺。
It is also the longest suspension bridge in the Arctic Circle region, located 220 km from the circumference.
"Since 2014, our company has sold 124,000 NEVs, with the total mileage reaching 1.21 billion kilometers, roughly 3,000 times the circumference of the Earth, thus cutting carbon emission by 190,000 metric tons, equivalent to planting 740,000 trees," Zheng said.
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