vt.定界限；劃界
The first chapter delimits her area of research. 第一章闡明了她的研究領域。
It is necessary to delimit the anomaly clearly. 清楚地圈定異常是必要的。
The group which they delimit are called natural groups. 由此劃分出的類群稱為自然類群。
The first chapter delimits her area of research. 第一章闡明了她的研究領域。
