Smms
abbr. seromucous maxillary sinusitis 浆液粘液性上颌窦炎; switched multimegabit data service 交换式多兆比（特）数据业务
🗣️ 情景例句
I know about how business is done here.
我认为这方面比较在行。
A handful of common sense is worth a bushel of learning.
少量的常识，当得大量的学问。
What are you then?
那你是什么国家的人呢？