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
The private lives of celebrities take up more magazine space than world news.
名人的私生活在杂志上占的版面比国际新闻还要多。
Factories employ both male and female workers.
工厂雇用男性和女性的工人。
'He had travelled only seven miles across the Channel when his engine failed and he was forced to land on sea.
但他只在海峡上空飞行7英里，引擎就发生了故障，他只好降落在海面上。