尽管之前的研究表明，猿类和猴子可以从其他动物的叫声中理解复杂的信息，但这些动物似乎并没有故意使用它们的声音来交流信息。
Although previous research has shown that apes and monkeys can understand complex information from another animal's call, the animals do not appear to use their voices intentionally to communicate messages.
在城市里，他听不到动物的叫声。
一些动物的叫声很尖锐，别的很低沉。
你听得见动物的叫声吗？
那哭声就像动物的叫声。
她会学动物的叫声，能维妙维肖地模仿马嘶和狗吠。
She imitates animal calls and can hit off horses and dogs perfectly.
除了简单地模仿动物的叫声，能不能让动物自己来当音乐家呢？
But instead of just copying their musical qualities-what about actually using the animals themselves as musicians?
动物的叫声多种多样，一些旋律优美的叫声甚至能激发作曲家的创作灵感。
There are a huge variety of calls and the more melodic ones have even inspired composers.
大部分蛙的声音都是颤音，但有些动物的叫声非常低沉，有些声音人耳根本听不到。
Many frogs' are in the treble range, but some animal calls are so bass that at least part of the sound is inaudible to humans.
事实上，当我在我的杂货店的农产品区时，有个在那里工作的人，他和我一样是个爱卖弄的家伙，他会开始发出动物的叫声，于是我也回以动物叫声。
Actually, when I'm in the produce section of my grocery store, there's a guy who works there who's a showoff like I am and he'll start making animal sounds, so I'll make animal sounds back.
这也解释了为什么动物叫声的含义非常笼统。
It also explains why animal cries are very general in meaning.
动物发出的信号，如鸟类复杂的鸣叫声，往往代价高昂。
Animal signals, such as the complex songs of birds, tend to be costly.
在人类的认识中，很少有动物的幼仔能够发出叫声。
Few larvae of any animal species are known to produce sounds.
不论如何，这些动物最为著名的还要数它们的叫声。
However, these animals are perhaps best known for their vocalizations.
这鸣叫声听起来也许并不算什么，但它却是世界上声音最大的动物。
(Chirping sound.) That may not sound like much - but it's the loudest animal in the world.
为了展示这类动物能感知句法，阿部的研究团队给它们播放打乱次序的、“不合语法规则的”雀科小鸟混合叫声并观察它们的反应。
To show a sense of syntax in the animals, Abe's team played jumbled "ungrammatical" remixes of finch songs to the birds and measured the response calls.
大阪大学的研究员内村有邦说：“通过调查这种鸟鸣一样的叫声对其他老鼠的影响，可能有助于推动对哺乳类动物语言交流进化的研究。”
"Studying the effects of the chirping sound on other mice could promote research into the evolution of mammalian verbal communications," said Arikuni Uchimura, the researcher from Osaka University.
史蒂文斯是动物园中灵长类动物的管理员，在她听来，动物园中6只长臂猿的叫声几乎一样。
Stevens, the zoo's curator of primates, says the songs of the six gibbons living there are very similar.
当他们开始唱歌时，你可能不仅会对歌词感到惊讶，而且会被整个表演过程中的动物叫声惊到，这些都是为了好玩才加进去的。
And das they start to sing, you may be surprised not only by the lyrics but by the animal noises made for fun throughout the performance.
它看上去活蹦乱跳！它张开嘴，发出一声这种动物特有的叫声。它长着又小又尖的白牙齿。
It looked so alive! It opened its mouth and made the special noise of that animal. It had small sharp white teeth.
毫无疑问，在孩子们惊恐的哭声与动物凄厉的嘶叫声中，我所看到的，是制造了生命灭绝的人性的凋零。
Undoubtedly, among children's frightened cries and grievous whinnies of animals, I saw the wilt of humanity that having caused the extinction of life.
如果一个动物很像鸭子，叫声和鸭子一样，走路也像鸭子，同时有足够的证据显示它就是鸭子，那我们就叫它鸭子。
If something looks like a duck, sounds like a duck, walks like a duck and there is enough evidence to prove it's a duck, then that's what we'll call it.
如果一个动物很像鸭子，叫声和鸭子一样，走路也像鸭子，同时有足够的证据显示它就是鸭子，那我们就叫它鸭子。
If something looks like a duck, sounds like a duck, walks like a duck and there is enough evidence to prove it's a duck, then that's what we'll call it.
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