| 例句 |
Rabbits are often considered to be the most fertile animals.野兔常被认为是繁殖能力最强的动物。Their work includes the identification of genes which govern the growth rate and fertility.他们的工作包括找出那些控制生长率和繁殖能力的基因。Britain has the largest and most flourishing fox population in Europe.英国拥有欧洲最大也是最具繁殖能力的狐狸种群。 |