ac·know·ledge·mentAW(alsoac·know·ledg·ment)BrE/əkˈnɒlɪdʒmənt/NAmE/əkˈnɑːlɪdʒmənt/noun[singular, uncountable]an act of accepting that sth exists or is true, or that sth is there（对事实、现实、存在的）承认This report is an acknowledgement of the size of the problem.这个报告承认了问题的严重性。She gave me a smile of acknowledgement(=showed that she had seen and recognized me).她向我微笑打招呼。[countable, uncountable]an act or a statement expressing thanks to sb; something that is given to sb as thanks感谢；谢礼The flowers were a small acknowledgement of your kindness.这些花聊表谢意，感谢你的好心帮助。I was sent a free copyin acknowledgement ofmy contribution.我收到一本赠刊，表示对我投稿的谢意。[countable]a letter or an email saying that sth has been received收件复函I didn't receive an acknowledgement of my application.我的申请没有得到复信告知收悉。[countable, usually plural]a statement, especially at the beginning of a book, in which the writer expresses thanks to the people who have helped（尤指作者在卷首的）致谢，鸣谢