Upgradeability
n. 可升级性；升级功能
🗣️ 情景例句
Bicycle theft is on the increase in the big cities.
大城市里盗窃自行车的案件与日俱增。
May I ask you where you are from?
我能问你从哪里来吗？
All night long, people dance and sing.
整个夜晚人们载歌载舞。