#新概念英语四册课堂笔记 Lesson46:The Menace of Urban Explosion 搜索结果
Aftermillenniaofgrowthsoslowthateachgenerationhardlynoticedit,thecitiesaresuddenlyracingoffineverydirection.Theworldpopulationgoesupbytwopercentayear,citypopulationgoesupbyfourpercentayear,butinbigcitiestherat
02-07L46TheMenaceofUrbanExplosionfromTheListenerAftermillenniaofgrowthsoslowthateachgenerationhardlynoticedit,thecitiesaresuddenlyracingoffineverydirection.Theworldpopulationgoesupbytwopercentayear,citypopul
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