名词
中文翻译：唇弓
同义词：
['labio-oral arch', 'labio-oral ridge例句：1. The shape of thelabial arch is important for speech production.（唇拱的形状对于发音很重要。）']
例句：
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1. The shape of thelabial arch is important for speech production.
唇拱的形状对于发音很重要。
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2. The labio-oral arch is a common featurein many mammals.
唇拱是许多哺乳动物的常见特征。
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3. The labio-oral arch helps to support thetongue during speech.
唇拱有助于支持舌头在说话时的位置。