And they found that the sound make by wings flapped in terror includes a distinctive sort of whistle.
科学家们发现在危险情况下，这些鸽子的翅膀产生的声音模式具有一种明显的呼啸声。
This will make you sound more confident and in control.
这会让你听起来更自信，更有掌控力。
Statements like these will make you sound aimless and lost.
这样的陈述听起来会让人觉得你毫无目标、迷失方向。
If only I could spin the photo around, then I could get a good look at it and make a sound judgement.
只要我能够旋转照片，我就可以好好观察它然后做出一个合理的结论。
When you gesture, you bring more air into the lungs, which can make your voice sound warmer.
当你做手势的时候，你会把更多的空气吸入肺部，这会让你的声音听起来更温暖。
This will make you sound confident, and it'll make it easier for the other person to understand you.
这会让你听起来自信，还会让别人更容易理解你。
For example, if you smile, your voice will sound warm and friendly, just the opposite, if you have an angry look on your face, it can make you sound unpleasant.
例如，如果你微笑，你的声音会听起来温暖和友好，相反，如果你脸上有一个生气的表情，它会让你听起来不愉快。
Provine realized that the reason chimps cannot emit a string of "ho ho ho" is that they cannot make more than a single sound when they exhale or inhale.
普罗文认识到，黑猩猩之所以不能发出一连串的“呵呵呵”声音的原因，在于它们在呼气或吸气时无法发出一个以上的音节。
She could not understand how such a surly man could make such a coaxing sound.
她不明白这样一个乖戾的人怎么能发出这样迷人的声音。
Good, because the point I was going to make is that the sound of rock 'n' roll changed over the years.
这很好，因为我想说的是，摇滚的声音自近些年来已经改变了。
By hanging panels of sound absorbing felt on the walls, Sabine reduced the echo enough to make the hall usable.
通过在墙上悬挂吸音板，Sabine减少了足够的回声，使大厅可用。
He crept into the house trying not to make a sound.
他蹑手蹑脚地溜进房子里，尽量不弄出一点声响。
Liza was so frightened she couldn't make a sound.
莉莎惊吓得发不出任何声音。
To make it clear that the sound of drilling is not terrible.
让大家明白钻探的声音并不可怕。
Each design was intended to alter the sound in some way, at first at least with the electric guitar, to make it louder.
每一个设计都是为了在某种程度上改变声音，首先至少在电吉他上是这样，让声音更大。
If only something would make a sound!
要是有什么东西能响一声就好了！
This could be the way bumblebees fly or perhaps the buzzing sound they make, say the scientists.
科学家们说，这可能是大黄蜂飞行的方式，或者也许是它们发出的嗡嗡声。
You make it sound like a chore.
你把这件事说得像做家务似的。
When I make a clicking sound, it makes sound waves.
当我发出咔哒声时，它就会发出声波。
Baby boys do not seem to notice the difference in the size of the ball, but girls immediately become excited and begin to make noises that sound like language.
男婴似乎没有注意到球的大小的不同，但女婴立即变得兴奋，并开始发出听起来像是语言的声音。
How else could this instrument make so much out of barely three dozen measly morsels of sound?
仅仅采用三十多个简单的音节，语言究竟是如何创造出这么多词句呢？
Usually, as they swim, they make clicking noises, and the resulting sound waves are reflected in an echo and travel back to them.
通常，当它们游泳时，会发出咔嚓的声音，所产生的声波会在回声中被反射回到它们身边。
I got two hits that afternoon, and Emily didn't make a sound.
那天下午我击中了两个球，埃米莉一声不吭。
The movement of the ball causes a phoenix to move and make a sound.
球的运动带动凤凰的移动并且发出声响。
"This is going to make me sound like a really bad person," she began.
“这开始让我听起来像一个非常坏的人”，她开始说。
I especially like the wooshing sound they make as they go flying by.
我尤其喜欢它们飞驰而过时发出的嗖嗖声。
听你说起来很容易。
你看艾迪一声儿都不出。
Open communication can help the physician make sound decisions regarding our health.
开诚布公的交流可以帮助医生对我们的健康做出有效合理的决定。
What Miller and countless other musicians know is that every sound they make is a legacy of Les Paul's talent.
Miller和其他无数的音乐人知道，他们制作的每一个声音都是LesPaul才赋的遗产。
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