九: nine一组: a set; a group; a piece; a b ...的: 4次方是 The fourth power of 2 i ...东西: thing九个一组的: nonary; nonuple二十个一组的东西: twenty十二个一组的东西: twelve九个一组: ennead八个一组的: octal两个一组的: diad七个一组的: septenary三个一组的: ternary四个一组的: quaternate五个一组的: quinary九个一组成的: nonuple八个一组的事物；八音度；倍频度: octave一组的: dz九个一套的: nonuple八个一组: eight; octad; octette; octonary两个一组: in pairs; set of two; twosome六个一组: hexadsextuplet; six每四个一组: in fours七个一组: septenary三个一组: tern; three; triad; triangle; trine; triplet十个一组: decade
