Hst
abbr. 超高音速运输机（Hypersonic Transporter）；高速试验机（High-Speed Tester）
🗣️ 情景例句
Do you sell foreign literature?
这儿有外国文学读物卖吗？
Where are you going?
你去哪儿？
I don't know. I haven't made up my mind yet.
不知道。我还没下定决心呢。