Upgradability
n. 可升级性；升格能力；提升能力
🗣️ 情景例句
I can't believe I'm hearing this!
我不能相信我在听这些！
Where have you been all this time?
这段时间你跑到哪里去了？
I want to pick some bananas, said Kate. I'm hungry!
“我要摘些香蕉，”凯特说，“我饿了！”