ameliorate
改善;
改善,改良;
改善,改进;
改善,改良,变好;
QAN Quality Ameliorate Notice
品质改善活动;
ameliorate working conditions
改善工作条件;
ameliorate amelioration betterment improve on mend upswing
改进;
ameliorate amend improve meliorate melioration mend polish up reform
改善;