プログレッシブ和英中辞典(第4版)の解説
えんしゅう【円周】
circumference; the circumference of a circle
円周500メートルある
It is five hundred meters in circumference.
円周角
the angle at the circumference
円周率
pi [pái] ((記号 π));the ratio of the circumference of a circle to its diameter
日本語の解説|円周とは
circumference; the circumference of a circle
円周500メートルある
It is five hundred meters in circumference.
円周角
the angle at the circumference
円周率
pi [pái] ((記号 π));the ratio of the circumference of a circle to its diameter