Upgrading
v. 升级；提高品位（upgrade的现在分词）
✅ 同义词
🔴 反义词
🗣️ 情景例句
Let's see. Four desks.
我来看看。四张桌子。
As far as I'm concerned, you can do what you like.
就我而言，你可以自便。
Last Sunday I got up very late.
上个星期天，我起得很晚。