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# 声音

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    生为丧 2026-04-19 进行了提
    说话时声音能传到别人耳朵里,隔一段距离也能听到。为什么声音能传播?声音传播需要什么条件?真空里能传播声音吗?声音传播速度和介质有关系吗?声音传播的原理是什么?
    0 赞同 1 回答
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    满眼星辰 2026-04-18 进行了提
    脖子不舒服已经有一段时间了,特别是右边后脑勺下面那个位置,睡觉醒来之后最难受。头像是被机械地扭转了一下,还有声音,只要听到声音就会舒服一点。
    0 赞同 3 回答
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    牛奶咖啡 2026-03-17 进行了提
    有时候我会听到一些奇怪的声音,心里就想着是不是听到了什么,但身边的人却说我有病,我有时候真的很害怕,总是紧张,我真的有心理问题吗
    0 赞同 1 回答
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    吴昊禹 2026-01-08 进行了提
    宝宝才一个月,声音很小,大声哭的时候也哭不出来,还有呼吸挺快的,是不是有问题?我们带他去当地医院看了,医生说孩子太小,检查不了,让我们自己观察,这正常吗?我们该怎么做
    0 赞同 1 回答
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    像大地 2025-12-25 进行了提
    声音嘶哑已经持续好几天了,说话都费力,还一直感冒,喝酒之后更明显,这是不是急性喉炎?会不会很严重?该怎么治疗
    0 赞同 1 回答
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    兄弟 2025-12-24 进行了提
    我声音嘶哑一个多月了,医生说是声带发炎,但做喉镜没发现异常,吃了很多药都没好,现在还是不舒服,该吃什么药才有效
    0 赞同 2 回答
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    岩雀 2025-11-21 进行了提
    我宝宝三个月了,抱起来的时候左边腿会发出“咯吱”一声,这是怎么回事?之前也是这样,但这两条腿还有力气,能站起来。
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    希伦 2025-11-05 进行了提
    声音嘶哑,咳嗽,痰带血丝,确诊肺癌。如何应对?
    0 赞同 2 回答
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    爱猪猪 2025-11-04 进行了提
    咽喉炎有哪些症状?没检查过,想知道是不是咽喉炎,该怎样治疗?
    0 赞同 1 回答
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    陌生人 2025-09-28 进行了提
    耳朵自己说话会回声,被鞭炮炸过后一直有翁翁声,已经半个月了,还没处理,现在耳朵说话会有回音,这是怎么回事?
    0 赞同 1 回答
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    十言九妄 2025-09-21 进行了提
    20岁女性感冒痊愈后持续出现嗓子有痰、声音嘶哑、咳痰不畅,痰量极少且痰中带灰尘样物质?
    0 赞同 1 回答
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    木须瓜片 2025-09-16 进行了提
    声音嘶哑持续半年,吃了西药和中药都没见好,现在该怎么办?
    0 赞同 1 回答