A vacant lot or a bombsite can, to the amateur naturalist, produce an extraordinary variety of flora and fauna.对于业余博物学者来说，在一片空地上或被炸后的废墟里可能发现种类繁多的植物群和动物群。He was a printer by trade and naturalist by avocation.他从事印刷业，同时是个博物...
He was a printer by trade and naturalist by avocation.他从事印刷业，同时是个博物学爱好者。The English naturalist W. H. Hudson was born in Argentina.英国博物学家W. H. 哈得逊出生在阿根廷....the prominent naturalist and broadcaster, Sir David Attenborough....