Htv
abbr. 高空试验飞行器（High-altitude Test Vehicle）；高温硫化混炼硅橡胶（High Temperature Vulcanizing）；混合动力试验车（Hybrid Test Vehicle）；高压伏特计（High-Tension Voltmeter）；自动寻的试验飞行器（Homing Test Vehicle）
🗣️ 情景例句
Where there's a will, there's a way.
有志者事竟成。
Why didn't you call me?
为什么你不打电话给我？
While he was eating, I asked him to lend me twenty pounds.
当他吃饭时，我提出向他借20英镑。