methodically

例句：

1. 1. He studied the problemmethodically to find a solution.
   他系统地研究这个问题以找到解决方案。
2. 2. The teacherexplained the lesson methodically to ensure understanding.
   老师有条不紊地解释课程内容以确保理解。
3. 3.She worked methodically on her project,completing each step carefully.
   她有条不紊地完成她的项目，每个步骤都仔细完成。