As the rains arrive, they emerge to mate.

当梅雨降临，它们开始交配。

The worm needs to be in water to mate.

虫子需要在水中交配。

Question 2. To mate and then produce young animals.

交配，然后繁殖后代。

They come together to mate in spring and early summer.

他们在春天和初夏才聚在一起进行交配。

The males swarm all over the bottles trying to mate.

雄虫蜂拥而来，围着空酒瓶试图交配。

Only the most powerful dragons win the right to mate.

只有最强壮的巨蜥才有权交配。

Mayflies come out of rivers or streams where they develop to mate.

蜉蝣从河流或溪流中孵化出来进行交配。

Many ocean animals use sounds to find good places to mate.

很多海洋生物都会通过声音来寻找适合交配的地点。

The male wants to mate, and that's where the danger lies.

雄性座头鲸想要交配，而这正是危险所在。

Efforts to get the two to mate and produce young had failed.

尝试让这两头犀牛繁殖的努力没有成功。

To know when to mate, dinosaurs react to the change of seasons.

为得知何时将会交配，恐龙会对季节的变化做出反应。

The Gordian worm needs water to mate, but the cricket prefers dry land.

蠕虫需要水交配 但蟋蟀喜欢乾燥的土地。

When it's over, females crouch and wait to be mated.

战斗结束时雌鸟们蹲伏下来，等待交配。

The mothers need to nurture and protect their babies, but they also need to mate.

妈妈们要养育并保护孩子们，不过它们也需要交配。

A male ant lives with the goal of finding a desirable queen to mate with.

雄蚁的生活目标是找到一个理想的蚁后交配。

When the brief opportunity to mate arises, the males must be ready to take their chance.

当短暂的交配机会出现时，雄猫熊必须做好准备来碰碰运气。

The one with the best bouquet of perfumes gets the right to mate with the females.

香味最浓的雄性蜂可以获得与雌蜂交配的权力。

Every year, salmon come home to Alaska's frigid rivers to mate, lay their eggs, and die.

每年，鲑鱼都要回到阿拉斯加的冰冷河流交配、产卵和死亡。

His first chance to mate may not come for another twelve years, when he is fully grown.

它的第一次交配机会必须再等待十二年，当它完全长大时。

They have only five months to mate, hatch their eggs, raise their chicks and see them fledged.

它们只有五个月的时间来完成交配孵卵、养育幼雏并看着它们羽翼丰满。