avouch

中文含义：保证，声明

英语词性：verb

美式发音：əˈvaʊtʃ

同义词：assert, affirm, confirm, declare

易混淆单词：avow, vouch

双语例句：

1. He avouched his innocence in front of the judges.

他在法官面前声称自己是无辜的。

2. The company avouches the quality of its products.

该公司保证其产品的质量。