Sef
abbr. 海峡交流基金会（Straits Exchange Foundation）；严重误码帧（ Severely Errored Frame）；钠排泄因子（sodium excreting factor ）
🗣️ 情景例句
This vacation is for you and me.
这是我和你的假期。
Actions speak louder than words.
坐而言，不如起而行。
Of course. With pleasure.
当然愿意。