I have as yet spoken as if the varieties of the same species were invariably fertile when intercrossed. 查尔斯·达尔文.物种起源.
The value of the most barren land is not diminished by the neighbourhood of the most fertile. 亚当·斯密.国富论.
Medina was a comparatively well-watered town, and possessed abundant date groves; its inhabitants were Yemenites, from the fertile land to the south. 赫伯特·乔治·威尔斯.世界史纲.
In this field of telegraph application, as in others, Edison was a very early comer, his only predecessor being the fertile and ingenious Callahan, of stock-ticker fame. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.
Since they had the richest and most fertile in the world, they have both ceased to be so. 亚当·斯密.国富论.
It was finer, more fertile, altogether richer. 赫伯特·乔治·威尔斯.世界史纲.
The paper industry, with book binding machines, and paper box machines, is a fertile field of invention. Edward W. Byrn.十九世纪发明进展.
From these facts it can no longer be maintained that varieties when crossed are invariably quite fertile. 查尔斯·达尔文.物种起源.
The narrow canon in which Nablous, or Shechem, is situated, is under high cultivation, and the soil is exceedingly black and fertile. 马克·吐温.傻子出国记.
In a country naturally fertile, but of which the far greater part is altogether uncultivated, cattle, poultry, game of all kinds, etc. 亚当·斯密.国富论.
A rice field produces a much greater quantity of food than the most fertile corn field. 亚当·斯密.国富论.
And the insight is enormously fertile. 沃尔特·李普曼.政治序论.
Elsewhere upon fertile plains and in more open country there were probably already much larger assemblies of homes than in those mountain valleys. 赫伯特·乔治·威尔斯.世界史纲.
Let us go--the world is our country now, and we will choose for our residence its most fertile spot. 玛丽·雪莱.最后一个人.
The rent and profit of barley land, besides, must always be nearly equal to those of other equally fertile and equally well cultivated land. 亚当·斯密.国富论.
Rent comes in but for a very small share, frequently for no share; and the most fertile mines only afford any considerable rent. 亚当·斯密.国富论.
I lead you into the most fertile plain in the world. 赫伯特·乔治·威尔斯.世界史纲.
With the fertile earth, and its prolific inventors, the United States has become the richest country in the world. Edward W. Byrn.十九世纪发明进展.
Telegraph operators were naturally in touch with this movement, and Edison's fertile imagination was readily inflamed by the glowing idea of all these vague possibilities. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.
He was a fertile and stimulating thinker, and much of his great influence arose from the comprehensiven ess that led to his celebrated classification of the sciences. 李贝.西洋科学史.
The high and snowy mountains were its immediate boundaries; but we saw no more ruined castles and fertile fields. 玛丽·雪莱.弗兰肯斯坦.
It was a pleasant fertile spot, well wooded, and rich in pasture. 简·奥斯汀.理智与情感.
The redwoods bear non-fertile cones. 佚名.神奇的知识之书.
Late we envied their abodes, their spicy groves, fertile plains, and abundant loveliness. 玛丽·雪莱.最后一个人.
Like our native England, and the vast extent of fertile France, this mountain-embowered land was desolate of its inhabitants. 玛丽·雪莱.最后一个人.
The island is upon our shores, is very fertile, and is capable of supporting fifteen millions of people. 尤利西斯·格兰特.U.S.格兰特的个人回忆录.
I began to muster all the energies of my character, generally fertile in resources, to consider of a remedy for this coming evil. 哈里特·威尔逊.哈里特·威尔逊回忆录.
Quatrefages states that the hybrids from two moths (Bombyx cynthia and arrindia) were proved in Paris to be fertile inter se for eight generations. 查尔斯·达尔文.物种起源.
Other coal mines in the same country, sufficiently fertile, cannot be wrought on account of their situation. 亚当·斯密.国富论.
Now some issues are fertile; some are not. 沃尔特·李普曼.政治序论.