不定积分 bù dìng jī fēn

DEFINITIONS

  1. indefinite integral (math.)

CHARACTERS

不 bù
HSK 1
no, not; un-; negative prefix
定 dìng
HSK 3
decide, settle, fix
积 jī
HSK 4
accumulate, store up, amass
分 fēn
HSK 1
divide; small unit of time etc.