Upgradation
升级；改善；提高
🗣️ 情景例句
How much extra do I have to pay for that?
我还要另外付多少？
Well, put something else on.
嗯，换一件吧。
In the afternoon, classes are over at 3:30, and I get home at about 4:00.
下午三点半下课，我大概四点到家。