to avouch
01
断言, 证实
to strongly and publicly state something as true
Transitive: to avouch sth
例子
The witness avouched the authenticity of the document presented in court.
证人证实了法庭上出示的文件真实性。
The explorer avouched the existence of an unknown species during the expedition.
探险家在探险期间证实了一种未知物种的存在。
