如果你确实需要音乐来调节，请调低音量并只一只耳朵戴耳塞。
If you really need music as a distraction, keep the volume low and one earbud out.
如果你戴耳塞的安全，他们也可以提供一个畅通无阻的主动建议。
If you wear earplugs for safety, they may also provide a barrier to unsolicited advice.
风扇和空气过滤器是另一个干扰源，因此有的宇航员会戴耳塞，挡住这些持续不断的嗡嗡声。
Fans and air filters add to the distractions, so some astronauts wear ear plugs to block out the constant hum.
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