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
so that we don't have to worry about any structural problems.
我们就可以不用担心任何结构上的问题。
My brother is a member of the faculty.He teaches economics.
我的兄弟是全体教员中的一员,他是教经济学的。
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