Plosive sound: It is produced by completely blocking the air stream followed by a sudden release of the compressed air in the oral cavity.
塞音：口腔中构成阻碍的两个部分完全闭塞，瞬间压迫气流冲开阻碍形成塞音。
Inversions can help clear the upper respiratory tract and drain secretions from the nose, allowing freshly oxygenated blood to flow into the oral cavity.
倒置体式能清理上呼吸道，排出鼻腔内的分泌物，让新鲜富氧的血液循环到口腔。
Root canal sealer combined with the core materials and dentin could seal the access between the oral cavity and periapical tissue, promoting the healing.
根管封闭剂与核心充填材料、牙本质结合，封闭口腔和根尖周通道，促进尖周组织愈合。
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