numeral [基数词] 一；一个；一岁；一点钟
One minus one is zero. 一减一等于零。
pronoun [人称代词] 一个人；任何人，人们（表泛指）；那个人；（特指的）那种人
If one looks at the bigger picture, a lot of positive things are happening. 如果人们从更宏观的角度看，许多积极的事情正在发生。
adjective [原级] 唯一的；一的
They had three sons and one daughter. 他们有3儿1女。
noun [抽象名词] 一；一美元纸币
They had three sons and one daughter. 他们有3儿1女。
- one 出现在下面的课文中（提供视频、音频及笔记等可系统性学习）
- Lesson 21&22 Which book? one 代词: 一个
- Lesson 11 One good turn deserves another
- Lesson 20 One man in a boat
- Lesson 2 Thirteen equals one
- Lesson 23 One man's meat is another man's poison
- 网友用 “One” 造句精选
- ...a love story and an adventure all in one. …一个集爱情与冒险于一体的故事。
- Knit one row, purl one row. 织一趟平针，织一趟反针。
- The issue of land reform was one that dominated Hungary's parliamentary elections. 土地改革是一个左右匈牙利议会选举的问题。
- We went into the room one by one. 我们依次走进了房间。
- There is one thing I would like to know – What is it about Tim that you find so irresistible? 有一件事我想知道–蒂姆到底有什么让你觉得那么不可抗拒？
- Subaru is one of the smallest Japanese car makers. 斯巴鲁是最小的日本汽车制造商之一。
- I, for one, hope you don't get the job. 就我来说，我不希望你得到那份工作。
- I've also sold one or two to a publisher. 我也卖了几个给一位出版商。
表达特定关系、顺序或强调数量的实用词组
| one by one 一个接一个地，依次 | The students submitted their papers one by one. 学生们一个接一个地提交了论文。 |
|---|---|
| one on one 一对一地，单独地 | The manager had a one on one meeting with each employee. 经理与每位员工都进行了一对一的会谈。 |
| one after another 一个接一个地（强调连续性或重复性） | Problems came one after another, making the situation worse. 问题一个接一个地出现，使情况变得更糟。 |
| one at a time 一次一个 | Please take the cookies one at a time. 请一次拿一块饼干。 |
| one of a kind 独一无二的 | Her artwork is truly one of a kind. 她的艺术作品真是独一无二的。 |
| one in a million 百万分之一（形容非常罕见或特别） | Finding such a talented and kind person is truly one in a million. 找到这样一位才华横溢又善良的人真是万里挑一。 |
| all in one 集于一身的，多功能的 | This printer is an all in one device: it prints, scans, and copies. 这台打印机是一体机：它集打印、扫描和复印功能于一身。 |
| from day one 从第一天起，从一开始 | He's been supportive of the project from day one. 他从第一天起就支持这个项目。 |
| at one time 曾经，一度 | At one time, this area was covered by forest. 曾几何时，这片区域曾被森林覆盖。 |
| one way or another 以某种方式，总而言之 | We'll get the job done one way or another. 我们总会以某种方式把工作完成的。 |
| one for the road 临行前最后一杯（酒或饮料） | Let's have one for the road before we leave. 我们走之前再来最后一杯吧。 |
| be one with 与……融为一体，与……合一 | She felt completely one with nature during her hike. 徒步旅行时，她感觉完全与大自然融为一体。 |