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....
Some of the prints were badly discoloured.有些图片褪色严重。Spilt acid discoloured the floor.泼出的酸弄得地板褪色.Sunlight had discoloured the bright red curtain.日照使这朱红(色的)窗帘褪了色....
At the macroscopic level, an ideal gas is defined by a process of extrapolation.从宏观角度看, 理想气体的定义是由推论而得来的.From the macroscopic properties of gravity you can work out what the graviton should be like.从引力的宏观属性,你可以推算出引力子的大致情况...
忠于职守的队员a committed member of the team他因擅离职守受到了军法审判。He was court-martialled for desertion.她非常忠于职守, 一位卓越的女警察.She was strongly committed to her job, a policewoman by eminence....
将不会和任何人建立通信联系。No correspondence will be entered into.交通困难，通信时断时续。Transport is difficult, communications are patchy.我们定期通信。We corresponded regularly....