[kuò zhāng]
（扩大） expand; aggrandize; enlarge; extend; spread; stretch; amplify; dilation; expansion; extension
military and political expansion
军事和政治扩张
overseas expansion
海外扩张
expansionism; foreign aggrandizement
对外扩张
territorial expansion; territorial aggrandizement
领土扩张
extend her territory by conquest
靠征服（别的国家）来扩张其领土
[医]（膨胀） eclasis; ectasy; eurysma; dilate
blood vessel dilatation
血管扩张
The lungs dilate in breathing.
呼吸时肺部扩张。