Rar
abbr. 无线电声测距（Radio Acoustic Ranging）；压缩文件, 压缩包（Roshal A Rchive）
🗣️ 情景例句
I wonder if you could tell me.
不知你是否能告诉我。
Better late than never.
迟做总比不做好。
That's all right.
别客气。