A shrill, high-pitched sound.

高音的音调很高的；

youdao

The dog made a cute, high-pitched sound, and from its mouth-slot a little metal tongue popped out and caressed me.

这只狗发出了一个可爱、高调的声音，从它的嘴中，一个小金属舌头弹出来，轻抚着我。

youdao

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。

youdao

Clean, silent, (well, OK, a high-pitched whistling sound), uses no fuel whatsoever, except hydrogen, the most plentiful element on the planet, and emits only water vapor.

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The technology would enable a person talking to someone with a loud, high-pitched, rapid-fire voice to sound similar even if his actual voice was soft, low and slow, for instance.

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Even above the sound of the engine I can hear the insistent high-pitched zither of crickets.

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