Uav
abbr. unavailability 无用度; 无效度; unmanned aerial vehicle 无人驾驶航空器; urban assault vehicle 城市中突击交通工具
🗣️ 情景例句
No problem. I'm glad to help.
小事情，我很高兴这样做。
I'm dying for a drink.
我很想喝一杯。
We both tried to get the coins, but it was too late.
我们俩都试图把这两枚硬币拿出来，但太迟了。