assign a channel

例句：

1. 1.The teacher assigned a group of students to work on the project.
   老师指派了一组学生来负责这个项目。
2. 2. He assigned tasks based on his expertise in the field.
   他根据自己在领域的专长分配任务。
3. 3. The company has assigned a new manager to oversee the expansion.
   公司已经指派了一位新经理来监督扩张项目。