the action of becoming larger or more extensive
扩大;扩充;扩展;发展
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the rapid expansion of suburban London 伦敦郊区的迅速扩展
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[count noun]
a small expansion of industry .工业的小规模发展。
extension of a state's territory by encroach -ing on that of other nations, pursued as a political strategy
(领土的)扩张
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German expansion in the 1930s .20世纪30年代德国的扩张。
[count noun]a thing formed by the enlargement, broadening, or development of something
扩大(或扩展、扩充)物;扩大(或扩展、扩充)部分;展开物
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the book is an expansion of a lecture given last year .这本书是在去年所作的一个讲座基础上扩写而成的。
the increase in the volume of fuel on combustion in the cylinder of an engine, or the piston stroke in which this occurs
膨胀(指发动机汽缸或活塞冲程内燃烧中燃料体积的增加)。
"early 17th cent.: from late Latin