Upgrading
v. 升级；提高品位（upgrade的现在分词）
✅ 同义词
🔴 反义词
🗣️ 情景例句
What kind of dresses would you design?
你打算设计哪种服装？
We need more staff in the office.
我们办公室需要增加人手。
Where does the teacher stand?
老师站在哪里？