septangle
['sɛp,tæŋgl]
n. 七角形；七边形
英文词源
septangle (n.)
1550s, from Late Latin septangulus, from Latin sept- "seven" (see septi-) + angulus "angle" (see angle (n.)). Related: Septangular.
带septangle字词语
带septangle字成语
['sɛp,tæŋgl]
n. 七角形；七边形
septangle (n.)
1550s, from Late Latin septangulus, from Latin sept- "seven" (see septi-) + angulus "angle" (see angle (n.)). Related: Septangular.