趣味寫作網相關expansion的作文內容
expansion列表精選，涵蓋了expansion大全，expansion素材，最全的expansion列表，都是作文作品的精華，優秀作文、滿分作文，在這裏可以讓你迅速提高自身寫作水平。
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![Population expansion作文]( "Population expansion作文")
Population expansion作文
Populationexpansionisoneofthemostseriousproblemsintheworld.Withbetterhygienicconditionsandbettermedicalcare,fewerbabiesdietoday.Butthebirthrateremainsunchanged.Moreover,thedeathratehasbeenloweredconsi...
