Upgradeability
n. 可升级性；升级功能
🗣️ 情景例句
I had an interview today, too.
我今天也参加了一次面谈。
I ate mushroom soup for lunch yesterday.
我昨天晚饭吃的是冬菇汤。
But I'm worried about his Chinese.He may fall behind the other students when he comes back.
但我担心他的中文。等他回来后，他可能会落到其他同学后面。