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...
They often served as spokesmen for all of the black community.他们经常担任黑人大众的发言人.The White House spokesmen are in for a rough time.白宫发言人现已深陷困境.Your first forefather sinned, And your spokesmen have transgressed against Me.赛43...