ef

听听怎么读
是什么意思
  • abbr.

    efficiency 效率;equivalent focal length 等效焦距;expectant father 准爸爸;experimental flight 试飞

  • 英英释义

    Ef

    • Ef (Ф ф; italics: Ф ф) is a Cyrillic letter, commonly representing the voiceless labiodental fricative , like the pronunciation of ⟨f⟩ in "fill". The Cyrillic letter Ef is romanized as ⟨f⟩.

    以上来源于:Wikipedia

    学习怎么用

    权威例句

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