When John has to write a report ,he will look up the cyclopaedia. 约翰必须写报告时，就会查阅百科全书。
It is a cyclopaedia of the Spring and Autumn Period, also the basic material which used by us to probe into the literature evolvement status of the Spring and Autumn Period. 它是春秋时代的百科全书，也是我们探索春秋时代文学演进状况的基本文献。
cyclopaedia英英释义
Noun:
a reference work (often in several volumes) containing articles on various topics (often arranged in alphabetical order) dealing with the entire range of human knowledge or with some particular specialty
