ex
pand
第三人称
expands
现在进行时
expanding
过去式
expanded
过去完成时
expanded
1
扩大, 扩展
to become something greater in quantity, importance, or size
- The company's operations expanded rapidly, opening new branches in multiple cities.
公司的业务迅速扩展，在多个城市开设了新分支机构。
- As the economy improved, opportunities for employment expanded, offering hope to those seeking jobs.
随着经济的改善，就业机会扩大，为那些寻找工作的人提供了希望。
- With technological advancements, the capabilities of smartphones expanded.
随着技术的进步，智能手机的功能扩展了。
- Over time, his interests expanded beyond literature to include philosophy, art, and music.
随着时间的推移，他的兴趣扩展到了文学以外的哲学、艺术和音乐。
2
扩大, 扩展
to increase the size, number, importance, or value of something
及物动词
- The company regularly expands its product offerings to reach a broader market.
该公司定期扩大其产品供应以覆盖更广泛的市场。
- He consistently expands his knowledge by attending workshops and seminars.
他通过参加研讨会和讲座不断扩展自己的知识。
- Last year, they expanded the factory to accommodate higher production levels.
去年，他们扩建了工厂以适应更高的生产水平。
- The government expanded the healthcare system to serve more citizens.
政府扩大了医疗体系，为更多公民服务。
- Right now, the team is actively expanding its client base through strategic marketing.
目前，团队正在通过战略营销积极扩大其客户群。
3
展开, 扩展
to spread out or stretch in various directions
- The foam mattress expanded to its full size after being removed from its packaging.
泡沫床垫从包装中取出后膨胀到了它的全尺寸。
- As the dough rose, it expanded in the warm oven.
随着面团发酵，它在温暖的烤箱中膨胀了。
- With a satisfying hiss, the air mattress expanded as it was inflated with a pump.
随着一声令人满意的嘶嘶声，充气床垫在用泵充气时膨胀了。
- When the airbag deployed, it rapidly expanded to cushion the impact and protect the driver.
当安全气囊展开时，它迅速扩张以缓冲冲击并保护驾驶员。
- As the hot air balloon ascended, it expanded to its full size, carrying the passengers high above the landscape.
随着热气球上升，它膨胀到最大尺寸，将乘客带到景观上方的高处。
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4
展开, 详细说明
to provide additional details, elaborations, or explanations to an account or idea
及物动词
- The lecturer expanded on the key concepts introduced in the previous class, providing further examples and clarifications.
讲师扩展了上一节课介绍的关键概念，提供了更多的例子和澄清。
- In her essay, she expanded on the historical context of the events.
在她的文章中，她扩展了事件的历史背景。
- During the brainstorming session, team members expanded on each other's ideas.
在头脑风暴会议期间，团队成员扩展了彼此的想法。
- The author expanded on the protagonist's backstory, revealing previously undisclosed details.
作者扩展了主角的背景故事，揭示了之前未公开的细节。
- In response to questions from the audience, the speaker expanded on the implications of the research findings.
针对听众的提问，演讲者详细阐述了研究结果的影响。
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