it forms one of a triad of revolutions

句中的forms在这里是组成的意思吗？可又怎麽翻译呢？应翻译成它是三大革命之一呀，form没有翻呀！谢谢指教吧！

it forms one of a triad of revolutions It forms the core of all the questions. Main forms of puppets It has been one of those days!是什么意思呢？谢谢！ It’s one of my favourite sparetime readings and it’s written by J. K. Rowling 分析翻译：He found humor of sufficient importance to make it the subject of one of his studies. If the University must cancel one of the schools sports , which one should it be ? and why ? it suddenly occured to one of the workers to open up the box分析句型 One definition of sustainable tourism states that it is tourism developed and the human heart has ever dreamed of a fairer world than the one it knows