the action of spreading a natural or chemical substance on land or plants, in order to make the plants grow well

Leave large wood on the ground for wildlife habitat and soil fertilization. 将大块木材留在地上，作为野生动物的栖息地和土壤的肥料。

Proper fertilization of land is of great importance for good quality food. 对土地适当施肥对获取高质量的食物非常重要。

the process of causing an egg or seed to start to develop into a new young animal or plant by joining it with a male cell

In humans, fertilization is more likely to occur at certain times of the month. 对于人类，受精在每月的某些时间更有可能发生。

Following fertilization, the egg divides into two. 受精后，卵子分裂成两个。