If you avow something, you admit it or declare it.
例句
...a public statement avowing neutrality...宣布中立的公开声明The Prime Minister avowed that he saw no need to change his country's policies.首相公开表示他觉得没有必要改变国家政策。
英汉词典释义
vt.
公开声明,承认
The senator was forced to avow openly that he had received some money from that company.那个参议员被迫承认曾经收过那家公司的一些钱。
英英词典释义
Verb
1. to declare or affirm solemnly and formally as true;