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
Oh, Lillian,
噢， Lillian，
I've realized that we should stop the pollution.
我明白必须阻止公害的原因了。
'Would you mind unlocking this suitcase please?'
“请打开这只手提箱好吗？”