n.利润( gain的名词复数 )；[土木工程]腰槽；获益；v.获得( gain的第三人称单数 )；赢得；增加；（钟、表）走快 英英释义： gain[ ɡeinz ]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 am