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
Yes, I have been working in an advertisement company in the last two years.
是的，在过去两年里，我一直在一家广告公司工作。
I was at home all afternoon.
我整个下午在家。
Sorry, I haven't. Why don't you ask Jim.
对不起，我没见。你为什么不去问问吉姆呢？