资料来源 : pyDict

二度;二回;反覆

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Bis \Bis\, adv. [L. bis twice, for duis, fr. root of duo two.
   See {Two}, and cf. {Bi-}.]
   Twice; -- a word showing that something is, or is to be,
   repeated; as a passage of music, or an item in accounts.