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 am.
的确这样。
Eat a peck of salt with a man before you trust him.
在你信任一个人之前，先要深入了解他。
I had an amusing experience last year.
去年我有过一次有趣的经历。