Upgradability
n. 可升级性；升格能力；提升能力
🗣️ 情景例句
Are you planning to attach a train to it?
准备加拖地裙摆吗？
I was surprised to see you here.
我想不到在这里碰到了你。
Good morning. Mr. Croft.
早上好，克罗夫特先生。