Upgrading
v. 升级；提高品位（upgrade的现在分词）
✅ 同义词
🔴 反义词
🗣️ 情景例句
I always cry at weddings.
我在婚礼上老是哭。
That street is only two miles long.
那条街仅仅是2英里长的。
We're having trouble arranging for a carrier.
因为货运公司的安排有问题。