n.（农）施肥；（胚）受精；肥沃

The fusion of the sperm and egg during fertilization marks the beginning of a new life.
精子和卵子在受精时的融合标志着新生命的开始。
Pollen from the male flower must reach the stigma to achieve fertilization in plants.
从雄花来的花粉必须到达柱头才能实现植物的受精。
Fertilization occurs when a sperm penetrates the protective layers of an egg.
当精子穿透卵细胞的保护层时，受精发生。
In vitro fertilization (IVF) is a fertility treatment that involves combining eggs with sperm in a laboratory dish.
体外受精（IVF）是一种生育治疗，涉及在实验室培养皿中将卵子与精子结合。
Many couples turn to assisted reproductive technologies, such as IVF, when natural fertilization fails.
当自然受精失败时，许多夫妇会求助于辅助生殖技术，如试管婴儿。
Fertilization can result in either identical or fraternal twins, depending on how many eggs are fertilized.
受精可能导致同卵双胞胎或异卵双胞胎，这取决于有多少卵子受精。
The genetic material from both parents combines during fertilization, creating a unique offspring.
在受精过程中，来自父母双方的遗传物质结合，创造出独特的后代。
Some species of sea turtles rely on external fertilization, where sperm and eggs are released into the water for fusion.
一些海龟种类依赖于外部受精，精子和卵子在水中释放并融合。
In mammals, fertilization typically occurs internally, with the sperm reaching the ovum inside the female's reproductive tract.
在哺乳动物中，受精通常在体内进行，精子在雌性生殖道内到达卵细胞。
The process of fertilization not only initiates development but also ensures genetic diversity within a species.
受精过程不仅启动了发育，还确保了物种内的遗传多样性。