资料来源 : pyDict

依序地;逐一地

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

Seriatim \Se`ri*a"tim\, adv. [NL.]
   In regular order; one after the other; severally.

资料来源 : WordNet®

seriatim
     adv : in a series; one after another