Upgrading
v. 升级；提高品位（upgrade的现在分词）
✅ 同义词
🔴 反义词
🗣️ 情景例句
Well ...
好……
You should take advantage of it.
你应该好好利用这个机会。
She was choosing a book. He told her about the accident.
她正在选书。他将发生的情况告诉了她。