No one likes to hear constant chattering or high pitched laughing.
没有人愿意时不时听到有人大声闲聊或者放声大笑。
So I just nodded and pretended to have a coughing fit, but it was pretty high pitched.
所以我只是点点头，假装咳嗽发作，但声调却很高。
Someone in the crowd shouted "keep him alive, keep him alive", but another fighter cried out in a high pitched crazed scream.
人群中有人喊："别杀人，留条活口，"但另外有士兵疯狂高声尖叫了些什么，卡扎菲就不见了，随之响起了枪声。
His voice was pitched high, the words muffled by his crying.
他的嗓门提得很高，说的话都被他的叫喊声压得听不清了。
While this is very important material I think it's probably pitched at too high a level for our students.
尽管这是个很重要的材料，但我认为它的难度太大，不适合我们的学生。
The big man had a high-pitched reedy voice.
这个胖男人有个尖而难听的声音。
A woman squealed in a high-pitched voice.
一位女士尖声叫了起来。
They have pitched their prices too high.
他们把价格定得太高了。
In this study, the researchers looked at the high-pitched barks a prairie dog makes when it spots predator.
在这项研究中，研究人员观察了土拨鼠发现捕食者时发出的高音吠叫声。
It began with a study one of them did on a dolphin, who had been trained to recognize a particular high-pitched tone.
首先，他们中的一个人对海豚做了一项研究，训练它识别一种特殊的高音。
The group of scientists said that plants are not as quiet as we had always thought, but in fact their voices are so high-pitched that we just can't hear them.
这群科学家称，植物并不像我们一直以为的那般安静，事实上，它们的声音频率极高，高到我们根本听不到。
If you buy a bat detector you can pick up their high-pitched echo-location calls as well.
如果你购置了一个蝙蝠探测器，你还可以探测蝙蝠高音的回声，便知它们的位置。
The agent in this case can play a low sound while voltage is within correct parameters and a high-pitched sound when a problem occurs.
在这种情况下，代理可以在电压正常时发出低沉的声音，而在出现问题是发出高亢的声音。
Her speeches were punctuated by her son's high-pitched crying as the publicist tried to calm him.
她的演讲不时被儿子的高声哭闹打断，而那个推广人员则要拼命安抚他。
One man who needs no vocal announcement is Li Hailun, a grasshopper salesman whose wares, hundreds of wingless insects imprisoned in round, woven enclosures, produce a deafening high-pitched symphony.
另一个不需要叫卖声的是李海伦，一位卖蚱蜢的小贩。他的货物——数百只无翼昆虫被装在圆形的编织笼子里，合奏出震耳欲聋的高音交响乐。
Although the ultrasonic calls are too high-pitched for the human ear to pick up, the love songs allow females to weigh up the most suitable father for their offspring.
尽管由于这发出的声音音频过高，人耳无法听到，然而这样的“歌声”却是为雌鼠提供了寻找最适合哺育后代对象的重要参考因素。
Because researchers in London have developed technology to cancel out the drill's unpleasant high-pitched whine.
因为伦敦的研究人员已经开发出能够消除这种令人不愉快的嘎嘎高音的技术。
The high-pitched shrieking of dial-up modems, once the herald of a new digital age, now increasingly evokes a bygone era. It may even make some users feel nostalgic.
调制解调器拨号时如铺沥青般的刺耳声音，曾经成为新数字时代的代表标志，但如今也不过只是凭添使用者怀旧的忧伤。
A Zippo lighter app displays an animated picture to wave at concerts, while Annoy-a-teen plays a high-pitched sound that only teenagers are -supposed to be able to hear.
虚拟打火机应用显示一个动画，让你在演唱会上挥动。而“惹恼小青年”播放一种据说只有青少年才能听到的尖锐声音。
Many murine squeakings are too high-pitched to be perceptible.
许多小鼠的尖叫声非常高亢，难以感觉它是否口吃。
Now, this is high-pitched hearing loss, so a person can still hear sounds and understand most speech.
这是一种对高声调的声音听力丧失，所以她/他仍可以听清楚并且明白大多数的日常对话。
These incredibly high-pitched and fast-paced calls enable the bats to track bugs and other prey in the dense rainforest understory.
这些难以置信的高速和快节奏的声波能够使它在茂密的热带雨林下追踪昆虫和其他猎物。
Some animals' voices are high-pitched, others are low.
一些动物的叫声很尖锐，别的很低沉。
A high-pitched whine, then a thump, signaled the deployment of the landing gear. The flaps dropped and the aircraft slowed drastically.
一个尖锐的声音伴随着沉闷的砰砰声，这是驾驶员在放下起落架，襟翼放下之后，飞机的速度慢了许多。
Even women's voices change, becoming more high-pitched when they are fertile.
她们的声音在排卵期也有变化，变得更尖利刺耳。
The drone of insects is interrupted by a high-pitched drill and the clang of hammers as workers put the finishing touches to the perfectly aligned steel tracks.
当工人们对排放整齐的铁轨进行最后的修整时，刺耳的钻动声和锤子的当啷生淹没了虫子的鸣叫。
Household cats exercise this control with a certain type of urgent-sounding, high-pitched meow, according to the findings.
研究结果称，家养猫儿们通过一种特定的叫声- - -急迫、高频率的喵呜声来练习它们的这种控制力。
I was startled so bad that I jumped, yelped, and a high-pitched fart snuck out.
我吓得跳了起来，大叫了一声，并放了一个很响的屁。
I was startled so bad that I jumped, yelped, and a high-pitched fart snuck out.
我吓得跳了起来，大叫了一声，并放了一个很响的屁。
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