Aaos
abbr. 美国矫形外科学会（American Academy of Orthopedic Surgeons）
🗣️ 情景例句
Have you been waiting for me for a long time?
你已经等我很久了吗？
None but the wearer knows where the shoe pinches.
只有那个穿鞋人，才知哪里鞋轧脚。
Oh, I'm sorry to hear that.
噢，真遗憾。