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 cannot forgive myself for not seeing my mother when she was sick in bed.
母亲病的时候我没能去看她，为这件事我永远不能原谅我自己。
I wish I were running across an open field.
我真希望在原野奔跑。
Happy birthday! he said. Here's your present.
“生日快乐！”他说，“这是给你的礼物。”