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急拡大, きゅうかくだい
1. rapid expansion, rapid growth, sharp increase
快速扩张,快速增长,急剧增加
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広がる, 拡がる, ひろがる
1. to spread (out), to extend, to stretch, to reach to, to get around, to fill (e.g. a space)
展开,扩散,延伸
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拡大, かくだい
1. expansion, extension
2. magnification, enlargement
3. escalation, spread
扩大