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单词 obtuse angular
释义

obtuse angular

/əbˌtjuːsˈaŋɡjʊlə/
adjective
= obtuse-angled.

Origin

Late 18th century; earliest use found in William Herschel (1738–1822), musician and astronomer. From obtuse + angular. Compare earlier obtusangular.

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更新时间:2024/11/11 15:30:45