reproduction

n. /ˌriːprəˈdʌkʃn/ B2

繁殖；生殖；复制品

The natural biological process of producing offspring.

仙境例句

In the lesson on reproduction, the Tortoise showed how one fish lays a thousand eggs.

讲繁殖的那堂课上，老陆龟展示了一条鱼怎样产下一千颗卵。