Sst
abbr. 超音速运输机（supersonic transport）
🗣️ 情景例句
Yes, both. Last trip I fished a little and hiked three miles.
是的，两者都做。上次出去时，我钓了一会儿鱼，又步行了三英里。
In the kingdom of blind men the one-eyed man is king.
盲人国里，独眼称王。
Some devices were quite simple.
有些装置非常简单。