划定界限

例句：

1. 1.The artist carefully delineated the outline of the painting on the canvas.
   艺术家仔细地在画布上勾勒出这幅画的轮廓。
2. 2. The teacher delineated the key points in the lesson plan for the students to follow.
   老师为学生们勾画出了课堂计划中的关键要点，以便他们跟随。
3. 3. The architect delineated the design of the new building with precision and care.
   建筑师以精确和细心的方式勾画出了新建筑的设计。