全部

1·Animals engage in copulation during the breeding season.

动物在繁殖季节进行交配。youdao

2·The copulation behavior of birds is very interesting.

鸟类的交配行为很有趣。youdao

3·Scientists observed a successful copulation.

科学家观察到了一次成功的交配。youdao

4·The copulation time of some insects is very short.

某些昆虫的交配时间很短。youdao

5·This pair of animals is having copulation.

这对动物正在进行交配。youdao

6·Copulation is an important part of animal reproduction.

交配是动物繁衍的重要环节。youdao

7·The environment affects the copulation frequency of animals.

环境影响着动物的交配频率。youdao

8·Deer herds engage in copulation at a specific time.

鹿群在特定时期进行交配。youdao

9·Fish have various copulation methods.

鱼类的交配方式多样。youdao

10·Researchers recorded this copulation process.

研究人员记录了这次交配过程。youdao