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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