segistration

例句：

1. 2.例句：1. The CEO is responsible for the company's segistration.
   首席执行官负责公司的监督。
2. 2. The teacher gave a detailed explanation of the problem during the lesson, which helped students to understand the conceptbetter.
   老师在课上详细解释了这个问题，帮助学生更好地理解了这个概念。