资料来源 : pyDict

无限

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

Ad infinitum \Ad in`fi*ni"tum\ [L., to infinity.]
   Without limit; endlessly.

资料来源 : WordNet®

ad infinitum
     adv : to infinity; without or seemingly without limit; "talked on
           and on ad infinitum"