The bat emits these ultrasonic pulses, very high pitch sound waves that we cannot hear.
蝙蝠会发出我们听不到的非常高的超声波脉冲。
Even a simple note on my guitar has an array of harmonic frequencies. But the frequencies have a special harmonic relationship, which is why you hear it as a single sound with a single pitch.
即使是一把吉他上一个简单的音节都有一系列的谐振频率，而这一系列的谐振频率都有着特殊的谐振关系，这也正是为什么我们听到的只是某一音调上的一个单音。
The vexing question is: Why? Bats are the only mammal with a better ability to hear changes in pitch than humans do.
但是，有一个令人苦恼的问题是：为什么蝙蝠是唯一的比人类具有更好听力能力的哺乳动物？
A note has a fundamental tone- the pitch we hear- and a series of overtones that occur at higher frequencies.
每个单音都有一个基本调—我们听到的音调—以及一系列的高频调外音。
If you start screwing around with the event you can lose coherence pretty easily - for example by forcing everyone to go together at a random time to hear a sponsor pitch.
如果你开始在这些活动项目上浪费过多的时间，你会很快失去连贯性，例如可能会强行要求每个人在不同的时间段去听赞助商的高谈阔论。
But when they are off key or sing at the wrong pitch, the device will exaggerate their mistake so that they can hear it in a pair of earphones they are wearing.
但是，当他们跑调或唱错音高时，这个设备就会放大他们的错误，这样他们就能从自己戴着的耳机中听到了。
This too causes the waveform to lose energy as well as, in turn, frequency and pitch, resulting in you hearing a distorted, lower tone than what people hear directly from out of your mouth.
这同样使声波能量降低，随之带来音调和音高的降低，使得我们自己听到的声音远低于周围人直接听到的声音。
I like to hear a slightly high pitch (ping).
我喜欢听到稍高间距(平)。
Please sing without accompaniment, we need to hear your pitch and phrasing clearly.
声乐准备清唱。不需要伴奏音频等等。我们需要准确听到音准。
When an instrument — any instrument — the piano, plays a note what you hear is one fundamental pitch.
当任何乐器，比如钢琴，弹出一个音符时，你听到一个的是一个基本音高。
This added resistance causes the waveform frequency to drop, lowering the pitch of the sound you hear internally and creating a sort of feedback effect that stimulates the eardrum from both sides.
声波降调的可能性增加，并且随着鼓膜双次振动带来的反馈效应，音高也会随之降低。
They went in, drew the door very softly behind them, and found themselves in pitch darkness. Aravis could hear by Lasaraleen's breathing that she was terrified.
她们走进门去，轻轻地把身后的门关上，发觉自己置身在一团漆黑之中。阿拉维斯能从拉斯阿拉莉恩的呼吸声里听出她是诚惶诚恐的。
Keep decreasing until you can hear a high pitch. Metallic sound from the discs.
连续进刀减小间隙直到你听到一声尖锐的盘片打刀的声音。
I hear the ticking of the clock, I'm lying here, the room's pitch dark.
搜索我听到时钟的嘀嗒声，我躺在这里，房间里漆黑一片。
After making sounds in the first chakra, you will hear the tones change to a higher pitch - this is the indication to listen and feel sounds in the second chakra.
的声音后，在第一轮，你会听到音调改变音调较高-这是表明，听取和感觉声音在第二轮。
He knows it's important to hear him on the pitch.
他知道在球场上聆听他说的很重要。
We would assemble in the pitch-black luggage room in the dormitory basement, and all we could hear was the clatter of machine - gun fire, like rainfall on lotus leaves.
我们聚集在宿舍的最下层，黑漆漆的箱子间里，只听见机关枪“忒啦啦拍拍”像荷叶上的雨。
When we spoke I was very happy to hear that while he was kicking around ideas for a new film, he also had an idea to pitch me for an animated short that Gnomon could produce, entitled Plus Minus.
当我们交谈的时候我非常开心直到他正在为下一个电影构思，他同时也有一个想法提案我做一个动画短片并且由Gnomon制作，题目是Plus Minus。
These sounds are too high-pitch to hear like the one added to this video, playing right now, But cause headaches, they still do.
这项研究是虚构的，视频中也没有超声，但是一部分人仍开始感到头痛。
I am really surprised how many entrepreneurs pitch me and then I never hear from them again.
让我惊讶的时候，很少企业家在会谈后，有再联系我的。
I am really surprised how many entrepreneurs pitch me and then I never hear from them again.
让我惊讶的时候，很少企业家在会谈后，有再联系我的。
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