Authenticating
v. 证明是真实的、可靠的或有效的( authenticate的现在分词 ); 鉴定, 使生效
✅ 同义词
🗣️ 情景例句
for his ten o'clock appointment with you.
等着十点钟与你的晤谈。
Learn young,learn fair.
为学趁年青，既学须学好。
How much is the pen?
这支笔多少钱？