短语词组用作动词 (v.)副词+～cautiously abstain 小心地避开prudently abstain 谨慎地避开～+介词abstain from alcohol 戒酒,不喝酒abstain from comment 不加评论abstain from flesh and fish 戒食荤腥abstain from smoking 戒烟abstain from voting 投票时弃权短语 返回 abstained