刀口

例句：

1. 1. He had a deep cut on his arm.
   他的手臂上有一个深的伤口。
2. 2. The doctor carefully cleaned the wound with antiseptic.
   医生用消毒剂仔细清理了伤口。
3. 3. She applied a bandage to her wound to stop the bleeding.
   她用绷带包扎了她的伤口以止血。