n.开槽；v.获得( gain的现在分词 )；赢得；增加；（钟、表）走快 英英释义： gain[ 'geiniŋ ]n.a quantity that is added"they recorded the cattle's gain in weight over a period of weeks"同义词：additionincreasethe advantageous quality of being beneficial同义词：profitthe amount of increase in signa