the size of something as given by the distance around it 同义词:perimeter,
the length of the closed curve of a circle
the boundary line encompassing an area or object; "he had walked the full circumference of his land"; "a danger to all races over the whole circumference of the globe" 同义词:circuit,
百科解释
Circumference is the linear distance around the outside of a closed curve or circular object. The circumference of a circle is of special importance to geometric and trigonometric concepts.
详细百科解释
其他语种释义
circumferenceとは意味:circumference n. 円周, 周囲. 【動詞+】 ◆The tree has a circumference of three meters. この木は(幹の)円周が 3 メートルある ◆measure the circumference of a baby's head 赤ん坊の頭蓋周を計る. 【形容詞 名詞+】 ◆The earth's circumference is about...