document的过去式和用法例句

　　document做动词有记载;(用文件等)证明等意思，那么你知道document的过去式是什么吗?接下来跟着学习啦小编来学习一下吧。

　　document的过去式和其他时态：

　　过去式: documented

　　过去分词: documented

　　document的用法：

　　document的用法1：document的基本意思是“证明”,指提供一种可以作为资料来源、权利证据、要求和竞争的根据,对所有者和其他人都有价值的文件或契约的说明,引申可表示“记录”“记载”。

　　document的用法2：document只用作及物动词,接名词或代词作宾语,可用于被动结构。

　　document的过去式例句：

　　1. The Foreign Secretary's views on the treaty are well-documented and oft-repeated.

　　外交大臣就该条约发表的观点有大量记述并被屡屡提及。

　　2. The main attractions of the Big Apple are well documented.

　　对纽约的主要旅游胜地有详细的记载。

　　3. The effects of smoking have been well documented.

　　有关吸烟的影响记录翔实。

　　4. The problem is well documented.

　　这个问题有很多依据。

　　5. The book is highly documented.

　　这本书记录了大量史实.

　　6. The painting's history has been checkered. There are nearly a hundred well - documentedcopies and versions of the work.

　　这幅画的历史错综复杂,它有将近100幅证据充分的摹本和版本.

　　7. This work is documented in the scientific literature.

　　这一著作被列为科学文献。

　　8. Summative studies are generally conducted and thoroughly documented by professional, third - party evaluators.

　　总结式研究通常由专业的第三方评估机构来进行,并且全部记录在案.

　　9. Managers annually submitted thick and precisely documented five - year and one - year plans.

　　经理们每年提交厚厚的,精确编制的五年计划和年度计划.

　　10. The harmful effects of caffeine had long been documented in textbooks.

　　咖啡因的有害作用早已见诸教科书.

　　11. He documented the case with abundant evidence.

　　他用充分的证据证明这个案子.

　　12. As promised , O'keefe had documented his charge.

　　奥基夫如约把他的揭发写成了书面材料.

　　13. In China, MSG allergies have not been documented and the substance occurs naturally in food.

　　在中国, 对MSG过敏症一直没有正式的报道,而这种物质自然会在(他们的)食物中出现.

　　14. The patient's medical treatment and care can be documented by the medical records kept.

　　这些救治过程均有当时的诊断书证明.

　　15. The colonization of rhizobia on the roots of legumes and nonlegumes has been welldocumented.

　　豆科和非豆科植物根上瘤菌的群集现象曾被很好地证实过.