Ugv
abbr. unmanned ground vehicle 无人驾驶地面车辆
🗣️ 情景例句
Hello, my name is Li Ming and we have a reservation for party tonight.
喂，您好。我叫李明，我们在你们这预定了今晚聚会。
One sheep follows another.
一羊跟一羊（指盲从）。
will finally become so steep that we can live no longer,
但最终会急转直下，我们也无法再活下去了。