在20世纪20年代, 朗缪尔 、 汤克斯及其共事者最先从事有关等离子体的研究.The earliest work with plasmas was that of Langmuir, Tonks, and their collaborators in the 1920's.问问自己, 你是个有趣的共事者 吗 ?Ask yourself, are you fun to work with?...
Prick the potatoes and rub the skins with salt.将马铃薯戳一些洞，并用盐揉搓外皮。At the same time she felt a prick on her neck.同时，她觉得脖子上一阵刺痛。Davydd felt tears prick his eyes.大卫德觉得眼泪就要流出来了。...