Authentification
n. 证实, 认可
🗣️ 情景例句
Winter in Beijing is too cold.
北京的冬天很冷。
He has pamphlet.
他有一本小册子。
When he died, however, his brothers found it impossible to keep the secret any longer.
他死后，他的弟弟们才觉得无法再保守这个秘密了。