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...
Molly had cringed when Ann started picking up the guitar.安开始弹吉他时，莫莉感到有些难堪。He spent his adolescent years playing guitar in the church band.他在教堂的乐队里弹吉他，度过了他的青少年时期。Bronka is somewhat infamous for his screeching electric gui...