Upgradation
升级；改善；提高
🗣️ 情景例句
You'll see the chicken house.
你会看到鸡舍。
It's Kate's.
是凯特的。
Yesterday, a pigeon carried the first message from Pinhurst to Silbury.
昨天，一只鸽子把第一封信从平赫特带到锡尔伯里。