研究者们顺理成章地得出这样一个结论:当黑板被挂擦时,该声响在我们的耳内放大,加剧了痛苦。
What seems to happen, the researchers reckon, is that when a screech on a chalkboard is generated, the sound is amplified within our ears to painful effect.
但有趣的是,移去了这些令人讨厌的声响,刮擦声也产生了一点点变化。
But, interestingly, removing the noisy, scraping part of the sound made little difference.
但有趣的是,移去了这些令人讨厌的声响,刮擦声也产生了一点点变化。
But, interestingly, removing the noisy, scraping part of the sound made little difference.
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