(noun.) the state of being fertile; capable of producing offspring.

菲力克斯校对

• The rent of land not only varies with its fertility, whatever be its produce, but with its situation, whatever be its fertility. 亚当·斯密. 国富论.
• Independently of the question of fertility, the offspring of species and of varieties when crossed may be compared in several other respects. 查尔斯·达尔文. 物种起源.
• So that here we have perfect, or even more than commonly perfect fertility, in a first cross between two distinct species. 查尔斯·达尔文. 物种起源.
• In the heath's barrenness to the farmer lay its fertility to the historian. 托马斯·哈代. 还乡.
• Waste lands, of the greatest natural fertility, are to be had for a trifle. 亚当·斯密. 国富论.
• For four thousand years its waters have not gone dry or its fertility failed. 马克·吐温. 傻子出国记.
• When the capitals are equal, and equally well applied, it is in proportion to their natural fertility. 亚当·斯密. 国富论.
• That of a metallic mine depends more upon its fertility, and less upon its situation. 亚当·斯密. 国富论.
• If we thus argue in a circle, the fertility of all varieties produced under nature will assuredly have to be granted. 查尔斯·达尔文. 物种起源.
• Several considerations, however, render the fertility of domestic varieties less remarkable. 查尔斯·达尔文. 物种起源.
• These cases serve to show on what slight and mysterious causes the lesser or greater fertility of a species sometimes depends. 查尔斯·达尔文. 物种起源.
• We should rejoice at that, for profusion means fertility; where a dead uniformity ceases, invention and ingenuity flourish. 沃尔特·李普曼. 政治序论.
• The fertility, both of first crosses and of hybrids, is more easily affected by unfavourable conditions, than is that of pure species. 查尔斯·达尔文. 物种起源.
• In no one thing has man shown greater fertility of invention than in lighting; to nothing does he cling more tenaciously than to his devices for furnishing light. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• The value, both of their produce and of their rent, is in proportion to their absolute, and not to their relative fertility. 亚当·斯密. 国富论.

詹妮校对