英語短文欣賞：Scientific American
Forty-sixmillionyearsago,northwestMontanawasatropicalforestofgiantferns,conifersandginkgos.Tinyprimateslivedthere,asdidrhinosandhorsesandcrocs.Alongwithsomelesscharismaticcreatures:mosquitoes.Oneoftho...
Forty-sixmillionyearsago,northwestMontanawasatropicalforestofgiantferns,conifersandginkgos.Tinyprimateslivedthere,asdidrhinosandhorsesandcrocs.Alongwithsomelesscharismaticcreatures:mosquitoes.Oneoftho...