Upgradeable
可升级的
✅ 同义词
🗣️ 情景例句
Hello, darling.
哈喽， 亲爱的。
Any questions?
有什么问题吗？
Everybody on board was worried and we were curious to find out what had happened.
飞机上的人都很着急，大家都急于想知道究竟出了什么事。