- The verb expand means to make something bigger or wider. It might refer to something concrete, as when you blow into a balloon and make it expand, or something more abstract, as when you study to expand your mind.
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- vt. 扩张；扩大，扩展
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1. Metals expand when they are heated.
金属受热会膨胀。
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2. Student numbers are expanding rapidly.
学生人数在迅速增加。
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3. The waist expands to fit all sizes.
腰部可松可紧，适合任何尺码。
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4. an expanding economy
不断发展的经济
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5. We've expanded the business by opening two more stores.
我们增开了两家商店以扩展业务。
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6. I repeated the question and waited for her to expand.
我把问题重复了一遍，等着她详细回答。
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7. Could you expand on that point, please?
请你把那一点详细说明一下好吗？
- expand (v) early 15c., "spread out, open out, spread flat, extend widely;" also transitive, "cause to grow larger;" from Anglo-French espaundre, Old French espandre "spread, spread out, be spilled," and directly from Latin expandere "to spread out, unfold, expand," from ex "out" (see ex-) + pandere "to spread, stretch" (from nasalized form of PIE root *pete- "to spread"). Related: Expanded; expanding.
ex·pand ★ AWL / ɪkˈspænd ; NAmE ɪkˈspænd / verb 1 ★ [intransitive , transitive ] to become greater in size, number or importance; to make sth greater in size, number or importance 扩大，增加，增强（尺码、数量或重要性） ◆ Metals expand when they are heated. 金属受热会膨胀。 ◆ Student numbers are expanding rapidly. 学生人数在迅速增加。 ◆ A child's vocabulary expands through reading. 孩子的词汇量通过阅读得到扩大。 ◆ The waist expands to fit all sizes. 腰部可松可紧，适合任何尺码。 expandsth ◆ In breathing the chest muscles expand the ribcage and allow air to be sucked into the lungs. 呼吸时胸部肌肉使胸廓扩大让空气吸入肺部。 ◆ The new system expanded the role of family doctors. 新体制扩大了家庭医生的作用。 ◆ There are no plans to expand the local airport. 目前没有扩建地方机场的计划。 OPP contract 2 ★ [intransitive , transitive ] if a business expandsor is expanded,new branches are opened, it makes more money, etc. 扩展，发展（业务） ◆ an expanding economy (= with more businesses starting and growing) 不断发展的经济 expandsth ◆ We've expanded the business by opening two more stores. 我们增开了两家商店以扩展业务。 3 [intransitive ] to talk more; to add details to what you are saying 细谈；详述；详细阐明 ◆ I repeated the question and waited for her to expand. 我把问题重复了一遍，等着她详细回答。 PHRASAL VERB exˈpand on/upon sth to say more about sth and add some details 详述；充分叙述；详细阐明 ◆ Could you expand on that point, please? 请你把那一点详细说明一下好吗？ expand expands expanded expanding ex·pand / ɪkˈspænd ; NAmE ɪkˈspænd /
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