俄語

發音

  • 國際音標(幫助)[prʲɪməʊˈɡolʲnɨj trʲɪʊˈɡolʲnʲɪk]

名詞

(prjamougólʹnyj treugólʹnik) m 無生 (屬格,主格複數,屬格複數)

  1. (幾何學) 直角三角形

變格

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