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1·When female cowbirds raised in isolation in soundproof chambers were exposed to recordings of male song, they responded by exhibiting mating behavior.

当雌性牛鹂被单独养在隔音的房间里，听到雄性歌声的录音，它们就会表现出求偶行为。

2·When female cowbirds raised in isolation in sound-proof chambers were exposed to recordings of male song, they responded by exhibiting mating behavior.

当把雌性牛鹂单独养在隔音的房间里，让它们听到雄性的歌声，它们就会表现出交配行为。

3·One pair of jaguars even shows some very rarely seen mating behavior, so the smell seems to turn these animals on.

一对美洲虎在闻到这种气味后，甚至表现出罕见的求偶行为，可见如此气息彻底激活了这些动物。

4·A detailed understanding to the particular mechanism of mating behavior, reproduction and development is effective to promote the protection of these fruit bats and to control their population.

深入地了解其独特的婚配行为机制、独特的繁殖发育机制，对有效地开展果蝠的保护工作、合理地控制种群数量有积极意义。

5·We know that animals use pheromones to alert their peers of things like mating, food sources, and danger, and researchers hypothesize that pheromones can play a role in human behavior as well.

动物靠信息素来提醒同类诸如求偶、食物来源、危险等信息。 研究人员假设信息素在人类行为中也起了一定作用。