Everyone has slight differences in the shape of pinnas.
每个人的耳廓形状都略微有些不同。
The pinnas are the distinctive ridges in your outer ear.
耳廓是外耳两边明显的脊状物。
By temporarily altering the shape of the pinnas with plastic molds, researchers in the Netherlands found that indeed, people with new pinnas had a hard time locating sound sources.
通过对自愿参加试验的人们使用塑料模具临时改变他们耳廓的形状，荷兰的研究人员发现，这些参加试验人们确实难以确定声音的来源。
By temporarily altering the shape of the pinnas with plastic molds, researchers in the Netherlands found that indeed, people with new pinnas had a hard time locating sound sources.
通过对自愿参加试验的人们使用塑料模具临时改变他们耳廓的形状，荷兰的研究人员发现，这些参加试验人们确实难以确定声音的来源。
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