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
Please don't worry.
请别担心。
You might be able to sue the company for age discrimination.
你就可以去控告这家公司搞年龄岐视。
The house has many large rooms and there is a lovely garden.
这栋房子里有许多房间，还有一个漂亮的花园。