an opening that is made in something with a sharp tool , especially in someone's body during an operation
发音
例句
1. 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。 2. The technique involves making a tiny incision in the skin. 这项技术需要在皮肤上切一个小口。