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词汇 septangle
词根词缀
Online Etymology Dictionary
词根李平武蒋争

septangle
n.
1550s, from Late Latin septangulus, from Latin sept- "seven" (see septi-) + angulus "angle" (see angle, n.). Related: Septangular.

〔李〕n.七角形,七边形 ←sept(i)-,septem-[L] =seven七
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更新时间:2025/1/25 10:02:34