Nadb
abbr. National Aerometric Data Bank 全国气体数据库
🗣️ 情景例句
I am happy to do it for you.
我很高兴为你们做这件事。
No, I'm sorry, sir. We don't accept checks.
先生，对不起，我们不接受支票。
I'm sorry to hear that. I hope you're better now.
听说你病 了，我心里很不好受。我希望你现在好些了。