regressing
动词 regress:
go back to a statistical means
同义词:regress
go back to a previous state
同义词:revert, return, retrovert, regress, turn back
get worse or fall back to a previous condition
同义词:regress, retrograde, retrogress
go back to bad behavior
同义词:relapse, lapse, recidivate, regress, retrogress, fall back