
one
词源
源自古英语 'ān',与德语 'ein' 和拉丁语 'unus' 同源,原始印欧语词根 *oi-no- 表示单一。
noun
❶ 数字1,表示单个物品或数量为一的事物。常用于计数或强调唯一性。
“I have one apple left in my bag.”
(我包里只剩一个苹果了。)
“She is the one who helped me yesterday.”
(她就是昨天帮助我的那个人。)
pronoun
❶ 用来指代前面提到的人或物,常用于避免重复名词。
“This book is better than that one.”
(这本书比那本好。)
“Which dress do you prefer? The red one or the blue one?”
(你喜欢哪条裙子?红色的还是蓝色的?)
adjective
❶ 表示单一的、相同的或特定的,用于强调独特性或一致性。
“We are all one team working towards the same goal.”
(我们是一个团队,为共同目标努力。)
“They arrived at one o'clock in the afternoon.”
(他们在下午一点到达。)
常见短语
one by one — 逐个地,依次处理每件事物,强调顺序或细致。
“The teacher called the students one by one to collect their papers.”
(老师逐个叫学生来收试卷。)
for one — 举例说明时使用,表示至少有一个例子或观点。
“Many people enjoy spicy food. I, for one, cannot handle it.”
(很多人喜欢辣食,比如我就受不了。)
all in one — 多功能的,集多种用途或功能于一体。
“This device is an all-in-one printer, scanner, and copier.”
(这台设备是集打印、扫描和复印于一体的多功能机。)