His cheerful whistle dispelled her fears.

他愉快的口哨消除了她的恐惧。

And then he heard the whistle blow.

接着他听见外面传来口哨。

Some languages use sounds like clicks or whistles.

有些语言会使用咔哒或口哨。

You might be able to hear whistling from in the forest.

你或许能听林子里面有口哨。

Is it a high frequency whistle? No, it's more of a relentless, narcissistic drone.

是一种高频的口哨吗？不，是一种时刻不停的自以为是的唠叨。

Previous work suggests the caterpillars whistle when pecked at by birds.

此前的研究发现，毛虫在被鸟儿啄食时会发出口哨。

The bells and whistles don't matter. It's the vote that matters and keeping it true.

钟和口哨不重要。选票才重要，要确保其真实。

Lindsay then played the caterpillar whistle through a speaker near a bird feeder.

林赛把扩音器放在喂鸟器附近，然后播放毛虫的口哨。

Her name translates to " clear-voiced" and " whistling."

她的名字翻译过来就是“音清晰”和“口哨”。

I knew Uncle George was around when I heard that tuneless whistle of his.

一听到乔治叔叔那不成调的口哨，我就知道他来了。

People had long noticed that these birds produced these loud whistles.

“人们在很久以前就注意到这些鸟类可以发出响亮的口哨。”

The next morning, when the room was very quiet, a loud whistle was heard!

第二天早晨，就在教室里很安静时，突然传来一很响的口哨！

If you hear bells, whistles, horns, sirens, or buzzes, look at me.

如果你听到铃、口哨、喇叭、警笛或嗡嗡，就看着我。

The reason? It's got whistling in it. So you'll sound better.

为什么推荐这首歌？因为这首歌里有口哨，使你的音听起来更好听。

They use their clicks, chirps and whistles to navigate, communicate and to catch their next meal.

它们通过发出的咔哒、啾啾和口哨来进行导航、交流和捕食。

My supervisor Rob Magrath in collaboration with May Hingee thought that they were used as an alarm.

“我的导师罗布·麦葛雷斯及合作者梅·辛吉认为，鸟类将这种口哨用作警报。

When the scientists played unfamiliar signature whistles for each dolphin, the test subjects quickly grew bored.

当科家们播放每只海豚都不熟悉的标志性口哨时，测试对象很快便感到厌倦。

As a recent 60-Second Science podcast explained, dolphins have signature whistles that may serve as individual names.

根据最近“60科”一篇播客的解释，海豚用标志性的口哨作为自己的姓名。

'Because during the last few nights I have always, about three in the morning, heard a low, clear whistle.

'因为这几天的深夜，大约清晨三点钟左右，我总是听到轻轻的清晰的口哨。

The blows and whistles from the other side started.

对方开始吹响口哨。