become or make larger or more extensive
扩大;扩充;扩展;发展
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their business expanded into other hotels and properties 他们的业务扩展到了其他旅馆和房地产中
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[with obj.]
expand the hole with a file .用锉将孔锉大。
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【物理】 (宇宙)膨胀。
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进一步阐述;详述
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the minister expanded on the government's proposals .部长就政府的提案作了进一步的阐述。
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〈喻〉 变得开朗;变得愿意交谈
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Alice opened and expanded in this normality .艾丽斯在这种正常状态下开口说话了,心情也变得开朗起来。
"late Middle English: from Latin