短语词组短语gain n ground 有进展gain ground on 接近;逼近;翻译G Gain ground 取得进展To Gain Ground 抬头I Gain Ground Look 我抬头望去Gain & gain ground 普及I Think Gain Ground 我以为抬起头gain ground upon 逼近ground heat gain 地埋管取热 返回 gain ground