abstains
词形变化：
名词: abstainer | 动词过去式: abstained | 动词过去分词: abstained | 动词现在分词: abstaining | 动词第三人称单数: abstains |
同义词：
refrain | withhold | desist | withdraw | go without | give up | curb | sit on the fence | decline | forbear | do | without | do without | diet |
反义词：