late 14c., from Medieval Latin cornea tela "horny web or sheath," from Latin cornu (genitive cornus) "horn," from PIE *ker- (1) "horn; head, uppermost part of the body" (see horn (n.)). So called for its consistency. Related: Corneal.
权威例句
1. The operation involves making several cuts in the cornea.
该手术要在角膜上做几个切口。
2. The surgeon made a small incision in the patient's cornea.
外科医生在病人的眼角膜上切开一个小口.
3. If it's the cornea , Joe can regain sight with a corneal transplant.
如果是角膜的毛病,可进行角膜移植, 使乔重见光明.
4. They accommodate by greatly changing the curvature of the cornea.