单词：aortic valve
aortic valve的用法和样例：
例句
- Here is a congenital bicuspid aortic valve.这是一个先天性的两瓣叶主动脉瓣。
- The most common causes are aortic or pulmonic valve regurgitation.最常见的原因是主动脉瓣或肺动脉瓣反流。
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