fertility

中文： 肥沃、繁殖力、生殖力、生育力

1. The condition, or the degree, of being fertile. (uncountable) · Muckspreading increases the fertility of the soil.
2. The birthrate of a population; the number of live births per 1000 people per year. (countable)
3. The average number of births per woman within a population. (countable, uncountable)

复数 fertilities