Fermat principle
[化] 费马原理
🧩 词语组成解析
[计] 费马, 费尔马
🗣️ 情景例句
OK. What ... what kind of house did you have in mind?
好的， 你们打算买什么样的房子？
Money calls, but does not stay: It is round and rolls sway.
金钱会上门，不会留下来，因为是圆的，所以会滚开。
When my wife nagged me to do something about it,
妻子喋喋不休让我想点办法。