您要查找的是不是：
- When sunlight hits the electrons in the cuprous oxide, some of the electrons gain enough energy from the sunlight to jump past the bandgap and become free to conduct electricity. 当阳光打电子，在氧化亚铜，一些电子获得足够的能量从阳光跳转过去的带隙，并成为免费进行电力。
- Effects of Metallic Film UV Transmittance on Electron Gain of MCP 金薄膜UV透过特性对MCP电子增益测量影响的研究
- You can gain by watching how she works. 看她怎样工作就可获益。
- Oil share show modest gain over the week's trading. 石油股票价在上星期的交易中略有上升。
- The masses gain experience through struggle. 群众通过斗争可以取得经验。
- It is not for the love of gain that he does so. 他这样做并非为了得什么好处。
- We hope for some gain from our investment. 我们希望投资有利可图。
- No practice, no gain in one's wit. 纸上得来终觉浅，要知此事须躬行。
- The transmitter was pulsed by an electron tube. 电子管使发射器产生脉冲波。
- Gain got by a lie will burn one's fingers. 靠欺骗得利，准要吃亏。
- Fame and gain are but chips to him. 他视名利为尘土。
- He has no aspiration for fame or gain. 他不图名利。
- The baby had a gain of half a pound. 婴儿的体重增加了半磅。
- He cares very little for fame and gain. 他对名利很淡薄。
- The man was bitten by a lust or gain. 此人利欲薰心。
- Pain is forgotten where gain follows. [谚]一朝得了利，痛苦便忘记。
- An electron tube having a cathode and an anode. 电子二极管有一个阳极和一个阴极的电子管
- All is not gain that is put in the purse. 装进钱包里的不一定都是正当的收入。
- It's unheard of for a boy of his age to gain university entrance. 他这样年纪的孩子上大学，可真是闻所未闻。
