Upgradation
升级；改善；提高
🗣️ 情景例句
Can I get a price check on...?
我能查一下……的价格吗？
I graduated from Yale University 5 years ago.
五年前，我从耶鲁大学毕业。
I invited him here. Zheng Jie has some interesting plans. But let's talk more over supper.
我邀请他来的。郑杰有一些有趣的计划。不过，我们不是在吃晚饭的时候再谈吧。