单词	arcus senilis
释义	arcus senilis /ˌɑːkəs sɪˈnʌɪlɪs / noun Medicine A narrow opaque band encircling the cornea, common in old age.My arcus senilis of two years' duration disappeared completely after 18 months of atorvastatin (taken for a moderately raised serum cholesterol concentration).... It appears more often in older adults (arcus senilis). A study of arcus senilis in Caucasian men and women is reported. Origin Latin, literally 'senile bow'.
随便看	bight big inch big jobs big kahoona big kahuna Big Knife big laurel bigleaf maple big league big leaguer Big Mac Big Mac index big man big media big mo big mob big money big mouth big-mouthed Big Muddy big name bigness big noise bignonia bignoniaceous

英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。