Cdh
abbr. constant differential height 常微分顶点
🗣️ 情景例句
There's your sleeping bag.
这是你们的睡袋。
Happiness in my work is most important to me.
工作中的乐趣对我来说最重要。
Obtaining 'protection money' is not a modern crime.
榨取保护金"并不是一种现代的罪恶行径。