Ssn
abbr. 子系统号（Subsystem Number）；（美）社会保险号（Social Security Number）；智力严重逊常（Severely Subnormal）
🗣️ 情景例句
I sure am.
我确实饿了。
Take it back!
把那句话给我收回去！
It was usually very quiet, and he could see the park from his window.
那儿通常很安静，从他的窗户他可以看见公园。