其它症候变化较多，例如足部下凹、脊柱侧凸、听觉灵敏度的减退或者糖尿病的出现。

Other signs are inconstant, such as the presence of hollow feet, scoliosis , decrease of the auditive acuteness or diabetes.

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另一个在耳机上比较明显的听觉现象是长时间聆听造成的听觉灵敏度下降。因为耳朵会适应大音量的声音；

Another hearing phenomenon that seems to be more noticeable with headphones is a decreasing sensitivity to sound levels over time, as the ears adapt to loud sounds.

youdao

另一个在耳机上比较明显的听觉现象是长时间聆听造成的听觉灵敏度下降。因为耳朵会适应大音量的声音；

Another hearing phenomenon that seems to be more noticeable with headphones is a decreasing sensitivity to sound levels over time, as the ears adapt to loud sounds.

youdao