trial volunteer

例句：

1. 1. The company is recruiting trial volunteers to test its new product.
   公司正在招募试验志愿者来测试其新产品。
2. 2.The trial volunteer was given the task oftesting the new software.
   试验志愿者被赋予了测试新软件的任务。
3. 3. The trial volunteer reported thatthe product worked well and had few issues.
   试验志愿者报告说产品运行良好且问题较少。