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
He's stepped out of the office for a little while.
他离开办公室刚一会儿。
I finish working at 5:45 p.m.
我在下午5:45点完成工作。
This was worse than a terrible secret'; this was a read skeleton! But George was unsympathetic.
这是比“骇人听闻的秘密”更加惊人的东西，这是一具真正的骷髅啊！但乔治却无动于衷。