Hst
abbr. 超高音速运输机（Hypersonic Transporter）；高速试验机（High-Speed Tester）
🗣️ 情景例句
I am calling on behalf of the Private Teacher Company.
我代表家教公司给您打电话。
Work today, for you know not how much you may be hindered tomorrow.
今天有事今天做，明天可能事受阻。
Who has the eraser?
谁拿着橡皮擦？