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
Susan, I'd like to continue this conversation later. Susan
我希望等一下能继续我们的谈话。
She is sick in bed.
她卧病在床。
Is it your sister, Kate?
是你的妹妹，凯特？