Rann
abbr. Research Applied to National Needs （美国国家科学基金会旨在探索解决社会、环境和健康问题的）国民需求研究计划
🗣️ 情景例句
Everything we're discussed seem to be here.
我们讨论过的每样事情似乎都在这里。
May I introduce you to my friend Susan?
恕我介绍一下我的朋友苏珊。
I don't envy him his money problems.
我庆幸自己没有他那些金钱的烦恼。