arcus
noun [ C or U ] medical specialized uk/ˈɑː.kəs/ us/ˈɑːr.kəs/ arcus
（身体部位的）弓形
a feature in the body that is curved in shape
Corneal arcus is frequently associated with early coronary artery disease. 老年环是冠状动脉疾病早期常见病症。
英汉双解词典收录81607条英汉双解翻译词条，基本涵盖了全部常用单词的读音、翻译及用法，是英语学习的有利工具。