| 词汇 | aortic aneurysm | 
| 释义 | aortic aneurysm  noun [ C ]  medical specialized uk/eɪˌɔː.tɪk ˈæn.jə.rɪ.zəm/ us/eɪˌɔːr.t̬ɪk ˈæn.jɚ.ɪ.zəm/  主动脉瘤 a dangerous swelling of the wall of the aorta (= the body's largest artery)  Less than half the people with ruptured aortic aneurysms survive. 主动脉瘤破裂的病人只有不到一半的存活率。  | 
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