名词
中文翻译:圆周率
同义词:
['circumference', 'circumference', 'circumference']
例句:
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1.The radius of the circle is equal to its circumference.
这个圆的半径等于它的周长。
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2.The circumference of a circle is twice its diameter.
一个圆的周长是直径的两倍。
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3. The circumference of the Earth is approximately 40,075 kilometers.
地球的周长大约为40,075公里。