Upgradeability
n. 可升级性；升级功能
🗣️ 情景例句
We sure do, Dad.
当然 ，爸爸。
That's why he is now concentrating on conversation at a language school near his home.
这就是他在他家附近的一所语言学校专攻口语的原因。
Have you brought anything to weigh the flesh?
你带来了称肉的器具吗？