decannulation

例句：

1. 1. The company decided to decannulate the old system.
   公司决定取消旧系统。
2. 2. After the meeting, the decision was decannulated.
   会议结束后，决定被取消了。
3. 3. The student had to decannulate his ID card.
   学生不得不注销他的身份证。