Fermat principle
[化] 费马原理
🧩 词语组成解析
[计] 费马, 费尔马
🗣️ 情景例句
We have brought this transaction to a successful conclusion.
我们已成功地达成了协议。
The train is comfortable.
坐火车很舒服。
a moment later, he ran after me and thrust the pen into my hands.
一会儿，他突然从后追了上来，把笔塞到我手里。