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
Sorry, but she is with someone right now.
抱歉，她正在会客。
Pleased to meet you.
认识你很高兴。
We need it in our office by next Monday.
下星期一以前要送到我们公司。