n. 向上的斜坡;
vt. 提升;使(机器、计算机系统等)升级;提高(设施、服务等的)档次;提高(飞机乘客、旅馆住客等)的待遇;
up向上+grade步,级→向上升级→上升,升级
🗣️ 情景例句
Five years of happiness. Happy anniversary.
为了五年的幸福。祝你结婚五年快乐!
He who pleased everybody died before he was born.
众口难调。
The men of our family waded down through our flooded meadows with boathooks, in the hope of being able to grapple a corner of the raft and pull it out of the current towards our bank.