1、增长
...weight gain增重，体重增加gain in增长，改进；获得；在…方面有进展gain and loss[经]损益，得失 ...
2、增加
...faith in信仰,信任gain in增加,增长interrupt in打断,打扰 ...
gain ease in在
Gain Considerations in Amplifiers放大器中的增益
gain clamped in line增益锁定
gain ing in health健康转好
gain acceptance in获得公认
gain experience in获得经验
gain flatness in band带内增益平坦度
power gain bandwidth in static静态功率增益带宽