Sst
abbr. 超音速运输机（supersonic transport）
🗣️ 情景例句
It's not over yet.
还没有完呢。
It'll come to me.
我会想起来的。
Sure enough, Rastus arrived punctually at seven o'clock that evening.
果然，当天晚上7点正，拉斯特斯准时回来了。