Arj
abbr. 压缩格式的一种（Archiver Robert Jung）
🗣️ 情景例句
Hey, do you work out?
嘿，你锻炼吗？
How long have you been studying English?
你学英语多久了？
It was rather like an exhibition of prehistoric electronic equipment.
这儿倒像是在展览古老的电子设备。