| 词汇 | patency | 
| 释义 | patency  noun [ U ]  medical specialized uk/ˈpeɪ.tən.si/ us/ˈpæt.ən.si/  开放,开通 the state of being open  It is important that airway patency is maintained, so that the patient can continue breathing. 保持气管开通很重要,这样患者可以保持呼吸。  | 
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