但是每天傍晚，他们坐在村中的广场上，听着昆虫和青蛙的叫声。
But in the evenings they sit in the village square and listen to sounds of insects and frogs.
那里的统计员通过听青蛙的叫声来辨别青蛙的种类，然后给出数量的估计。
Volunteers listen for frogs, identify the species, and give population estimates.
北美两栖监测计划招募和培训一批忠诚的志愿观察者倾听研究青蛙的叫声。
The North American Amphibian Monitoring Program recruits and trains committed volunteer observers to listen for and identify frog calls.
除了有狼，鲸鱼的叫声，还有来自全世界数种青蛙的叫声，南美一些鸟类遗迹北美猫头鹰的叫声。
In addition to the Wolf and the whale, there are ringtones from several species of frogs from around the world, a few South American birds and North American owls.
这些水下的声音使船员们想到了蛙叫，所以他们给这个声音取名叫“quackers”(来自于俄语，表示青蛙的叫声)。
These underwater noise reminded the submarine crews of frog croaks, so they called the sound "quackers" (from the Russian word for frog sounds).
通过关闭表示“你有邮件”的铃声或嘎嘎声或青蛙的呱呱叫声，你会工作得更有效率，然后可以在你准备就绪时回复电子邮件。
By turning off the bell — or quack or frog croak — that says "you've got mail!" you'll work more efficiently and can then respond to e-mails when you're ready.
因此，他们研究了四种具有不同叫声的青蛙种类——其中包括自由女神区域的青蛙种类，并提取了它们的DNA样本。
So they tracked down four leopard frog populations with the unique call-including one within view of the Statue of liberty-and took DNA samples.
池塘的水涨满了，青蛙发出低沉的鸣叫声。
The ponds were filling up and the frogs were making deep-throated noises.
我能听到青蛙呱呱的叫声。
通过关闭表示“你有邮件”的铃声或嘎嘎声或青蛙的呱呱叫声，你会工作得更有效率，然后可以在你准备就绪时回复电子邮件。
By turning off the bell — or quack or frog croak — that says "you've got mail!" you'll work more efficiently and can then respond toe-mails when you're ready.
我也记得晚上睡觉时，每当听到各种不同的声音，包括青蛙和蟋蟀的叫声，恐惧便会涌上心头。
I also recall the fear I felt when I went to bed at night and heard frogs and crickets chirping amid all kinds of other noises.
我也记得晚上睡觉时，每当听到各种不同的声音，包括青蛙和蟋蟀的叫声，恐惧便会涌上心头。
I also recall the fear I felt when I went to bed at night and heard frogs and crickets chirping amid all kinds of other noises.
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