您要查找的是不是：
- The book treats of astronomy. 这本书是讲天文学的。
- The book treats of this question. 这本书是讨论这个问题的。
- The book treated of the history of Ireland. 这本书讲的是爱尔兰的历史。
- The book treats of environmental protection and pollution prevention. 这本书讲的是保护环境及防治污染。
- This book treats of economic problems. 这本书探讨经济问题。
- This book treats of the caste system in India. 这本书论述了印度的种姓制度。
- This book treats of new trends in surgery. 这本书论述了外科手术方面的新动向。
- The book treats some political problems. 该书论述某些政治问题。
- This book treats of new trends in surgery . 这本书论述了外科手术方面的新动向。
- My professor referred me to the book "Compendious System of Astronomy". 我的教授让我参考《天文学系统概论》这本书。
- The book treats the problem too sketchily. 该书关于这一问题写得太简略.
- My professor refer me to the book "compendious system of astronomy". 我的教授让我参考《天文学系统概论》这本书。
- It is foreign to the purpose of the book to treat of French idioms. 讨论法语成语与这本书的宗旨无关。
- This book treats of the progress of Chinese medicine. 这本书讨论中国医药的发展。
- The book treats the problems of economic development. 该书探讨了一些有关经济发展的问题。
- Nothing is known of the authorship of the book. 无人知道该书是何人所写。
- However, the book provides the astronomical calendar was the most advanced in the study of the history of astronomy confirmed Zhuo has a fairly high level. 然而该书提供的天文历法在当时是最先进的，历史证实刘焯研究天文学已有相当高的水平。
- As to the author of the book, I will hazard a guess. 关於这本书的作者，我来试猜一下。
- The book is a compendium of their poetry, religion and philosophy. 这本书是他们诗歌、宗教和哲学的概略。
- The fifth and last book treats of the revenue of the sovereign, or commonwealth. 第五篇即最后一篇所讨论的，是君主或国家的收入。
