Upgradability
n. 可升级性；升格能力；提升能力
🗣️ 情景例句
We had a cat when I was eight years old.
我八岁时养过一只猫。
What''s the fare to New York, Economy Class?
去纽约的经济舱机票多少钱？
There will be a strong wind to the north of the Huai River.
淮河以北地区有一股强风。