acknowledge
v.美 /əkˈnɑlɪdʒ/英 /əkˈnɒlɪdʒ/
承认；感谢；告知收到
to accept that something is true; to show thanks or receipt
例句
She acknowledged her mistake and apologized sincerely.
她承认了自己的错误，并真诚道了歉。
The teacher acknowledged all students' efforts in the group project.
老师肯定了所有同学在小组项目中的付出。
怎么记
ac-（向）+ know（知道）+ ledge（知识）→ 向人表明已知→ 承认
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