Oart
abbr. Office of Advanced Research Technology <美国>高级研究技术局
🗣️ 情景例句
Don't worry, Alexandra.
别担心，Alexandra。
Just a short line to say thanks.
只言片语聊表谢意。
Houses -- often three storeys high -- were built of stone.
房子一般有3层楼高，用石块修建。