Upgrading
v. 升級；提高品位（upgrade的現在分詞）
? 同義詞
?? 反義詞
??? 情景例句
What kind of dresses would you design?
你打算設計哪種服裝？
We need more staff in the office.
我們辦公室需要增加人手。
Where does the teacher stand?
老師站在哪里？