de·lin·e·ate /dɪˈlɪnieɪt/ verb [transitiveT] formal 1 DESCRIBEDRAWto describe or draw something carefully so that people can understand it 说明,阐明,解释;详细绘明 The document delineates your rights and your obligations. 这份文件阐明了你的权利和义务。
2 to make the borders between two areas very clear 标明,标示〔边界〕 The boundaries of these areas should be clearly delineated. 这些地区的分界线应该清楚地标出来。
—delineation /dɪˌlɪniˈeɪʃən/ noun [uncountableU]