Upgradeability
n. 可升级性；升级功能
🗣️ 情景例句
No, I don't have any hobbies. How about you?
没有，我没有任何的爱好，你呢？
One hour today is worth two tomorrow.
今天的一个小时抵得上明天的两个小时。
The Macdonalds finished supper at Macdonald's, and then bowled at the bowling alley.
麦可糖那一家在麦当劳吃过晚饭后去球馆打保龄。