gain and loss analysis [能源科學(xué)技術(shù)]盈虧分析gain and loss 損益，得失gain an insight into 看透， 識(shí)破gain an advantage over 勝過，優(yōu)于；比…有利gain amplifier [電子] 增益放大器gain adjustable amplifier [醫(yī)藥科學(xué)]增益可調(diào)放大器gain access to 接近；取得使用…機(jī)會(huì)；有接近…的權(quán)利gain access 獲得訪問權(quán)限gain a high reputation 聲名赫赫gain a foothold in 插足其間gain a firm foothold 站穩(wěn)腳跟 取得一席之地gain (n.) gain n. 增加；利潤；收獲 vt. 獲得；增加；賺到 vi. 增加；獲利 n. (Gain)人名；(英、匈、法)蓋恩gaily-painted pleasure-boat 畫舫gaily dressed maidens 姹紫嫣紅gaily dressed 披紅戴綠gaily (adj.) gaily adv.華麗地；輕率地；歡樂地gaillardia n.[植]天人菊屬植物gaile n. 疥螨??；疥瘡 n. (Gaile)人名；(德)蓋勒