两个表面间的相互作用是由于吸引力和排斥力作用的结果.The interaction between two surfaces is the result of repulsion and attraction forces.假设的电子弥散必须提供净赫尔曼吸引力以抵消核间排斥力.The hypothetical electron smeart must exert a net attractive Hellmann - Feynman f...
In the reserves of Zimbabwe and South Africa, annual culls are already routine.在津巴布韦和南非的自然保护区，每年的选择性捕杀已成惯例。Big business culls the brightest from among college graduates.大企业从大学毕业生中选拔最优秀的人材....
This adulteration of food must stop.必须制止在食品中搀假。This adulteration of food must be stopped.必须制止在食品中搀假.Adulteration with petroleum is permitted in certain circumstances.在某种场合下,允许与石油掺合起来使用....
我用拇指指甲把台灯上的螺钉拧紧了。I used my thumbnail to tighten the screw on my lamp.我尤其喜欢那种用螺钉固定在墙上的搁板。I particularly like the type of shelving that screws to the wall.每个托架只用了3颗螺钉固定在墙上。Each bracket is fixed to the wall with just three ...