within

within

形容词： 1. 在...之内的；在...范围内的 2. （时间）不超过；在...之内 名词： 1. 范围之内；界限内 2. 内部；内部部分

词语辨析：

within和in的区别在于within侧重于范围或时间的限制，而in则表示在某个范围或时间之内。

词汇扩充：

1. within reach：可及之处 2. within sight：在视野范围内 3. within earshot：在听力范围内 4. within walking distance：步行范围内

近义词：

inside, indoors, in, inward

反义词：

outside, beyond

柯林斯词典解释：

adverb 1. If something is within a place, area, or object, it is inside it or is surrounded by it. 2. If something happens within a particular period of time, it happens before the end of that period. 3. If you say that something is within reach, within sight, or within earshot, you mean that it is possible to reach it, see it, or hear it. 4. If something is within a particular range of things, people, or amounts, it is inside that range. 5. If you say that something is within someone's power, gift, or control, you mean that they are able to do it or have it. preposition 1. If something is within a particular area, group, or subject, it is inside it or is closely connected with it. 2. If someone has power or authority within an organization or group, they have the right to make decisions and ensure that they are obeyed.

牛津词典解释：

adverb 1. Inside a particular place, area, building, etc. 2. Inside a particular period of time. 3. Less than a particular number or amount. preposition 1. Inside or not further than an area or period of time. 2. Less than or not exceeding a particular amount or distance. 3. Inside the range or scope of something. 4. In the mind or understanding of someone. 5. By the end of a particular period of time or before a particular date. 6. During the course or duration of something.

用法：

1. We need to finish the project within the next two weeks. 2. The keys are somewhere within the house. 3. The store is within walking distance from here. 4. She has great potential within the company. 5. The discussion should stay within the scope of the topic.

相关例句：

1. The hotel is within walking distance of the beach. (酒店离海滩步行可达。)
2. Please make sure the package is within the weight limit. (请确保包裹在重量限制范围内。)
3. He completed the task within the given time frame. (他在规定的时间范围内完成了任务。)
4. She hid the letter within the pages of the book. (她把信藏在书的页码之间。)
5. Within minutes, the entire room was filled with laughter. (几分钟之内，整个房间都充满了笑声。)
6. The answer lies within. (答案就在其中。)
7. They have authority within their department. (他们在自己的部门内有权力。)
8. He managed to finish the race within the top three. (他成功在前三名内完成了比赛。)
9. She could hear the music playing within earshot. (她能听到音乐在听力范围内播放。)
10. The child was born within the walls of the old castle. (这个孩子是在旧城堡的墙内出生的。)
11. The book explores the themes within the context of modern society. (这本书在现代社会的背景下探索了这些主题。)