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A weak, balloon-like bulge on the wall of a blood vessel, swollen with blood. Many people have a small one and never feel it. The danger is that it can burst — then you bleed inside, and that can kill you, especially if it is in the brain or on the , the big vessel that leaves the heart. Doctors may only watch a small, quiet aneurysm; they operate when it is large or likely to break. You may still meet the older spelling aneurism, but aneurysm is the usual one now. It is a hospital and news-story word, not a word for a or a clot.
動脈瘤
組成From Ancient Greek aneúrusma, 'a widening,' from aneurúnō, 'to widen,' from aná (up) + eurús (wide).
原始詞典資料1 筆記錄
以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
aneurysmnoun/ˈan.jʊɹ.ɪz.əm/
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medicinepathologysciencesAn abnormal blood-filled swelling of an artery or vein, resulting from a localized weakness in the wall of the vessel.
- About 120,000 people were helping with the two-week annual harvest and “obviously you’re going to have some accidents”, he said. Every year, “one or two people” died from heart failure or aneurysms, he added.
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。