Dalembert equation
[化] 达朗贝尔方程
🧩 词语组成解析
🗣️ 情景例句
We appreciate your interest in our firm, however, and thank you for writing.
我们感谢你对我们公司表示的兴趣，谢谢你的来信。
In college I majored in philosophy, What was your major?
大学时我主修哲学，你主修什么呢？
The most frightening thing of all was that not a sound could be heard.
最令人害怕的是到处没有一点声音。