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
we would go down to the beach and catch crabs,
我们走到海边抓螃蟹，
Good news goes on crutches.
好事不出门。
The Australian seasons are the opposite.
澳大利亚的季节正好相反。