Cdh
abbr. constant differential height 常微分顶点
🗣️ 情景例句
we're prepared to meet your claim for the loss according to the contract.
我们准备按合同赔偿贵方的损失。
What time are you going to get up tomorrow morning?
你将在明天早上什么时间起床？
My daughter, Jane, never dreamed of receiving a letter from a girl of her own age in Holland.
我的女儿简从未想过会接到荷兰一位同龄姑娘的来信。