Gaini盖尼gainn.获得；收益；增益v.获得；到达；增加；获利；(钟、表等)走得快gain characteristic增益特性gaining information信息获取gain admission into获准进入gain the initiative掌握主动权gain someone's earsgain dominance over支配； 对 ... 取得优势gain control switch增益调节开关gain-time control[电] 增益时间控制Gained Output Ratio获得的输出率gain sb's affection得到某人的爱