Sir David Attenborough urged people to take part in a nationwide count of butterflies to help find out if the hot, dry spring has hit the insects.
大卫·爱登堡先生呼吁全国人民一起统计蝴蝶种类和数目，看看炎热干燥的春季是否对蝴蝶的生存造成了影响。
Sir David Attenborough urged people to take part in a nationwide count of butterflies to help find out if the hot, dry spring has hit the insects.
大卫·爱登堡先生呼吁全国人民一起统计蝴蝶种类和数目，看看炎热干燥的春季是否对蝴蝶的生存造成了影响。
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