| 例句 |
References to original sources are given at the end of each chapter.每一章节后面提供了原始资料的出处。The library has quantities of reference sources.该图书馆藏有大量可供参考的原始资料。The historian searched for primary sources of information about the past.历史学家寻找有关过去的原始资料来源。Researchers try to quote primary sources wherever possible.研究人员尽可能地引用原始资料。The letters were used as source material in this new biography.这本新传记把这些信件用作原始资料。These memoirs are a sourcebook for historians.这些回忆录是供历史学家参阅的原始资料。 |