单语范例（未经PONS编辑处理）
英语
- This is important because these bats contract their middle ear muscles when emitting a call, so they can avoid deafening themselves.en.wikipedia.org
- Humans and other primates such as the orangutan and chimpanzee however have ear muscles that are minimally developed and non-functional, yet still large enough to be identifiable.en.wikipedia.org
- Humans have ear muscles that give them the ability to move their heads in a horizontal plane allowing them to catch sounds from all directions.www.m2now.co.nz
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英语