One是一个英语单词，意思是：一，一个，一人。第一，单一，唯一。

以下是三个关于“one”的双语例句：

One of the most important things is to keep calm. 最重要的就是保持冷静。

We are one big happy family. 我们是一个快乐的大家庭。

She has one less hour of class today. 她今天少上一节课。