Oss
abbr. [美]航天科学局（Office of Space Sciences）；[美]战略情报局（Office of Strategic Services）
🗣️ 情景例句
Good morning, Mr. Zhou. Take a seat, please. What can I do for you?
早上好，周先生。请坐。有什么事吗？
Velvet paws hide sharp claws.
笑里藏刀。
How are you today?
你今天好吗？