六个: six一组: a set; a group; a piece; a b ...按六个一组排列: be arranged by sixes六；六个一组；六汽缸发动机；六点钟: six八个一组: eight; octad; octette; octonary八个一组的: octal九个一组: ennead九个一组的: nonary; nonuple两个一组: in pairs; set of two; twosome两个一组的: diad每四个一组: in fours七个一组: septenary七个一组的: septenary三个一组: tern; three; triad; triangle; trine; triplet三个一组的: ternary十个一组: decade四；四个一组: quatermary四个一组: four; quartette; quatermary; quaternary; quaternion; quaternity; tetrad四个一组的: quaternate五个一组: five; pentadquintuplequintuplet; quintuplet五个一组的: quinary一百个一组: hundred六个人一组: a group of six一组六个: hexad两个一套,两个一组: set of two
