人们开始意识到，当你什么都听不到的时候，生活会变得多么困难。
People became aware of how difficult life could be when you can't hear anything.
让我们来谈谈声谱的另一端，人类听不到的声音——超声波。
Let's talk about the other end of the acoustical spectrum, sound that is too high for humans to hear—ultrasound.
蝙蝠会发出我们听不到的非常高的超声波脉冲。
The bat emits these ultrasonic pulses, very high pitch sound waves that we cannot hear.
这是听不到的。
这些回声人类是听不到的，但对蝙蝠来说，却是真正的“如雷贯耳”。
Much of that echolocation sound is beyond the range of the human ear. But to bats, it's as loud as a jet airplane.
Herzing博士认为很多信息可能都被编码成这类声音，包括海豚的一些人类听不到的超声波。
Herzing believes that much information may be encoded in these sounds, as well as in dolphins' ultra-high frequencies, which humans cannot hear.
周三仅有五人被救出，并且救援者说从早上起已经听不到求救的声音。
Only five had been rescued by Wednesday, and rescuers say they have heard no cries since the morning.
梅森和其他探员在观察室里看着他俩，杰克向彭蒂科夫嘀咕了几句，梅森听不到他说的是什么。
As Mason and the other agents watch from the observation room, Jack mumbles something to Penticoff that can't be heard by Mason.
我听不到别人的音信，也看不到一缕阳光。
I do not hear a word from anybody and cannot see a ray of sunlight.
他把头埋进枕头，这样他就可以听不到父母吵架的声音了。
He covers his head with his pillow so he doesn't have to listen to the sound of his parents arguing.
你听不到这么高频率的声波。
我隔墙听不到他们的交谈。
我们能够做到吗？我听不到你说的。
他们听不到她的消息时，唯恐发生了最坏的事。
他的嘴巴在动，但是她却听不到他说的话。
“是啊，”他轻声说道，声音轻得我几乎听不到他的回答。
"Yes," he muttered, his voice so muted I hardly heard his reply.
除了他的脚步的低沉回音，她什么声音都听不到。
里面没人，听不到一点声音，甚至远处的发动机声、一阵大风声、一声鸟鸣声都听不见。
There's nobody about, not a sound to be heard, not even a distant engine, a gust of wind, a bird.
他们一遍又一遍地叫着他的名字，但是听不到任何响应。
They called his name again and again, but they heard no answer.
或者说人们听到的总是拒绝或误解。他们听不到爱，就隐藏在那些话语的后面，有可能还是在愤怒的话语的后面。
Or people listen only for rejection or misunderstanding. They do not see the love that is there just beneath the surface, even if the words are angry.
有一段时间，我不相信那些我看不到，听不到，或者触摸不到的东西的存在。
I also had a hard time believing in the existence of anything I could not see, hear, or touch.
如果你不来，如果我听不到你的回信，我就会知道，如果你离开你挚爱的亲人和乡土，你是不会幸福的。
If you do not come, and if I do not hear from you, then I shall know that you could never be happy so far from the people and the country which you love.
如果他整夜都待在落叶松的树林中，他就听不到田庄里的骚动。
If he had remained among the larches all night, he would have heard nothing of the stir at the Grange.
既然灵魂通常只能理解为非物质性的(这就是为什么灵魂不会受到死亡的影响)。灵魂看不见，听不到，碰不了，闻不着，等等。
Since the soul is usually understood to be immaterial (that is why it is unaffected by death), it cannot be seen, heard, touched, smelled, etc.
自从他们开工以后，他们的声响太吵了，搞得我们听不到自己唱歌的声音了。
Ever since they started working on it, it's been so noisy we can barely hear ourselves sing.
看这些不断重复的东西，你听不到什么特别有意思的笑话，也学不到什么新东西。
By watching these repeats you don't even get to hear a unique joke or learn something new.
看这些不断重复的东西，你听不到什么特别有意思的笑话，也学不到什么新东西。
By watching these repeats you don't even get to hear a unique joke or learn something new.
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