时间: 2025-04-24 19:55:18
美: [ɪk'spænd]
英: [ɪk'spænd; ek-]
vt. 扩张;使膨胀;详述
vi. 发展;张开,展开
最后更新时间:2025-04-24 19:55:18
词源分析:expand源于拉丁语“expandere”,由“ex-”(向外)和“pandere”(展开)组成,意指“向外展开”。
历史背景:该词首次记录的使用可以追溯到14世纪,常用于描述物体的物理扩展或抽象概念的发展。
课本:在*的高中英语教材中可能会出现该词。它也常见于牛津大学的英语学材料和美国的AP英语课程中。
正式与非正式语境:
特殊场合:
The company plans to expand its operations overseas.
公司计划在海外扩展其业务。
As the balloon filled with air, it began to expand.
随着气球充满空气,它开始膨胀。
The discussion will expand on the previous theories presented.
讨论将扩展之前提出的理论。
We need to expand our knowledge base to include newer technologies.
我们需要扩展我们的知识基础,以包括新技术。
The city is expected to expand rapidly in the next decade.
预计该城市将在下一个十年内迅速扩张。
*. The artist aimed to expand the boundaries of traditional painting.
这位艺术家旨在扩展传统绘画的界限。
The project will expand access to education for underprivileged students.
该项目将扩大贫困学生的教育机会。
The research aims to expand our understanding of climate change.
该研究旨在扩展我们对气候变化的理解。
They decided to expand their product line to include eco-friendly options.
他们决定扩展产品线,以包含环保选项。
The lecture will expand on the implications of the findings.
讲座将扩展研究结果的含义。
同义词:
反义词:
音标记忆法:expand的音标为/ɪkˈspænd/。可以通过朗读和拼写音节来加深记忆,比如将其分为“ex-”和“pand”,帮助记忆其含义“向外展开”。
通过上述分析,学*者可以更全面地理解和运用“expand”这个单词。
[V-T/V-I] If something expands or is expanded, it becomes larger. 扩大; 膨胀
例:Engineers noticed that the pipes were not expanding as expected.工程师们注意到管子并未像预期的那样膨胀。
例:We have to expand the size of the image.我们不得不扩大图像的尺寸。
[[商业]] If something such as a business, organization, or service expands, or if you expand it, it becomes bigger and includes more people, goods, or activities. 使…发展; 发展
例:The popular ceramics industry expanded toward the middle of the 19th century.大众陶瓷业在19世纪中叶得到了发展。