Sfy
abbr. standard facility years(s) 标准设备寿命
🗣️ 情景例句
Hello.
哈喽。
What are you looking at? Never seen this before.
看什么看？没看过啊！
Do you remember when the three of us went on a picnic?
我们三个人一起搞过野餐，你还记得吗？