Upgradeability
n. 可升级性；升级功能
🗣️ 情景例句
Your meal will soon be served, please enjoy a drink first.
你们的菜很快就上，请先喝杯饮料。
My mouth is watering.
我在流口水了。
Were there any telephone messages for me while I was away?
我外出期间有我的电话吗？