Rann
abbr. Research Applied to National Needs （美國國家科學基金會旨在探索解決社會、環境和健康問題的）國民需求研究計劃
??? 情景例句
Oh, Grandpa!
啊，爺爺！
Any time.
隨時都愿意效勞。
Can you see him please?He has a bad cold, too!
您能看看他嗎？他也得了重感冒！