sperm是什么意思?sperm的用法和例句
2024-04-23 16:44:25sperm是指雄性动物生殖细胞,也称为精子。它们通常由睾丸中的精子管产生,是受精过程中必不可少的一部分。在人类和其他哺乳动物中,sperm通常由一个头部、一个颈部和一个尾巴组成,尾巴能够帮助它们游动到卵子处进行受精。
sperm的用法:
1. Sperm is the male reproductive cell, also known as spermatozoon. (sperm是雄性生殖细胞,也称为精子。)
2. The sperm fertilizes the egg during sexual reproduction. (在性繁殖过程中,精子受精卵子。)
3. The sperm count can affect a man's fertility. (精液计数可以影响男性的生育能力。)
4. In vitro fertilization involves combining an egg and sperm in a laboratory dish. (体外受精包括在实验室培养皿中结合卵子和精子。)
5. Some species of animals have external fertilization, where the sperm and egg meet outside of the body. (某些动物种类具有外部受精,在这种情况下,精子和卵子在体外相遇。)
例句:
1. The doctor recommended that he get his sperm count checked to determine if there were any fertility issues.
(医生建议他检查精液计数,以确定是否存在生育问题。)
2. The sperm and egg must join together in order for fertilization to occur.
(精子和卵子必须结合在一起,才能发生受精。)
3. The sperm's tail helps it to swim towards the egg for fertilization.
(精子的尾巴帮助它向卵子游动,进行受精。)
4. The process of in vitro fertilization involves carefully selecting healthy sperm and eggs for fertilization.
(体外受精的过程中,需要仔细挑选健康的精子和卵子进行受精。)
5. External fertilization is common in aquatic animals, where the sperm and eggs are released into the water for fertilization to occur.
(外部受精在水生动物中很常见,其中精子和卵子会被释放到水中进行受精。)
sperm是生殖过程中不可或缺的一部分,它们具有重要的受精作用。不同动物种类可能有不同的生殖方式,但sperm始终扮演着重要角色。通过检测和选择健康的sperm和egg,可以帮助解决一些生育问题。