And zebra finch birds slow their songs and use higher tones to communicate with young.

斑胸草雀放慢歌声，用更高的音调与幼鸟交流。

The intonation that is usually associated with it and the tone is usually a higher, friendlier tone.

通常与之相关的语调和音调通常是更高、更友好的音调。

In sound, the wavelength defines the pitch: higher tones (“eeeee”) have shorter wavelengths, and lower tones (“eeeee”) longer wavelengths.

在声音方面，波长决定音高：较高的音调波长较短，较低的音调波长较长。

Combination of a higher tone in rising intonation indicates curiosity and interest.

升调中较高音调的组合表示好奇和兴趣。

If democracy is to be saved it must catch the higher, healthier tone.

如果要拯救民主， 它就必须抓住更高、更健康的基调。

I can speak in a high tone, like this, or a low tone, like this.

我可以像这样用高音说话，也可以像这样用低音说话。

Do you notice that I'm maintaining a higher tone of voice and I'm using rising intonation?

您是否注意到，我的语调较高并且使用了上升语调？

The double doors to the living room stood open, and from the room beyond came welcome in high excited tones.

客厅的双扇门开着， 远处的房间里传来兴奋的欢呼声。

When one is placed in the position of guardian, one has to adopt a very high moral tone on all subjects.

当一个人被置于监护人的位置时， 他必须在所有问题上都采取非常高尚的道德基调。

Taken as a whole, these findings suggest high vagal tone makes it easier to generate positive emotions and that this, in turn, drives vagal tone still higher.

作为一个整体来看，这些发现意味着，这迷走神经张力指数越高，越容易产生积极情绪；反过来，积极情绪又能促进指数的提升。

She advocated a high tone of sentiment; but she did not know the sensations of sympathy and pity; tenderness and truth were not in her.

她提倡高调的情调；但是她不知道同情和怜悯的感觉。她身上没有温柔和真诚。

Then raising his voice to its highest tone, he poured out a strain so powerful as to be heard even amid the din of that bloody field.

然后，他把声音提高到最高音调，倾吐出一种如此强大的张力，即使在那片血腥的田野的喧嚣中也能听到。

Quickly acquiring any kind of knowledge he saw around him, and having a plastic adaptability more common in woman than in man, he changed colour like a chameleon as the society he found himself in assumed a higher and more artificial tone.

他很快就获得了他周围的任何知识，并且具有女性比男性更常见的可塑性适应性，他像变色龙一样改变颜色，因为他发现自己所在的社会呈现出更高更人造的基调。