Upgradeability
n. 可升级性；升级功能
🗣️ 情景例句
We had some good times together.
我们共渡许多美好时光。
Do you know the boy whose aunt is an artist?
你知道那男孩的姑妈是艺术家?
Will Clare Flower please step forward?
克莱尔·弗劳尔请你走上前好吗？