aneurysm
🇺🇸
/ˈænjərɪzəm/
🇬🇧
/ˈænjərɪzəm/
A bulge or swelling in the wall of a blood vessel, often a sign of weakness in the vessel wall.
The doctor warned that the aneurysm in his brain could be fatal if not treated promptly.
医生警告说,如果他的大脑中的动脉瘤不及时得到治疗,可能会致命。