五十个州结为一体组成了美利坚合众国.The combination of the 50 states forms the United States of America.我们张罗来五十个观众看这出戏.We scraped together an audience of fifty for the play.他们已在议会中占据了一百五十个席位.They have bagged 150 parliamentary seats....
我们迄今还未将电子自旋的效应考虑在内.So far we have not included the effects of electron spin.我们引入电子自旋的标记如下.We introduce labels for the spin of electron as follows.通过环氧化和氧化就得到外消旋的含十八个碳的昆虫返动激素.Epoxidation and oxidation gave the racemic C 1...