兩倍，三倍，四倍，五倍，六倍.怎麽說

Single (1) (also: singleton, sole, only, etc.)

Double (2) (also: pair, twice)

Triple (3) (also: triplet, treble, thrice, threesome, troika, trio)

Quadruple (4)

Quintuple or Pentuple (5)

Sextuple or Hextuple (6)

Septuple (7)

Octuple (8)

Nonuple (9)

Decuple (10)

Hendecuple or Undecuple (11)

Duodecuple (12)

Centuple (100)

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