单词：pyloric obstruction
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第二章 消化系统 Chapter 2 Digestive System accessory pancreatic duct 副胰管 accessory parotid gland 副腮腺 aggregated lymphatic follicles 集合淋巴滤泡 alimentary canal 消化管 alimentary gland 消化腺 alimentary system 消化系统 alveolar bone 牙槽骨 am
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[00:03.89]obosolete obstacle obstinate obstruction [00:08.52]a.已废弃的，过时的 n.障碍，防碍,干扰 a.顽固的,执固的 n.妨碍,障碍物 [00:13.14]obtain obvious occasion occasional [00:18.17]vt.获得,得到 a.显而易见的,明显的
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