Cdh
abbr. constant differential height 常微分顶点
🗣️ 情景例句
I'd like a side order of onion rings, please.
我想再要一个洋葱圈。
They say we're going to get some rain later.
据说待会儿要下雨。
All machines are slightly different, so you need a short lesson when you start work in a new office.
所有的机器都稍微有些不同，所以当你新到一个办公室开始工作时，你需要进行短期培训。