zài / zì / rán / jiè / zhōng / xǔ / duō / dòng / wù / huì / zài / fán / zhí / jì / jiē / jiāo / gòu / yǐ / yán / xù / zhǒng / qún

在自然界中，许多动物会在繁殖季节交媾以延续种群。

In nature, many animals copulate during breeding season to continue their species.