borderline
单词辨析：
多指靠近两国或两地区分界线的区域。
the German-Polish border
德国与波兰边境
Two years later, he was sent to the border between China and Myanmar.
两年以后，他被派到了中缅边界。
侧重指某区域最外的界线，常和领土有关，也指地图上正式标定的、双方认可的边界或较小行政单位间的界线。
national/state/city boundary
国界/州界/市界
They marked the boundaries of the basketball court.
他们标出了篮球场的边界。
The river forms the boundary between my land and his.
这条河构成了我这块地和他那块地之间的分界线。
指两国接壤的前沿地区，多有军队驻防。
China has a frontier with Vietnam.
中国的边界和越南相接。
Soldiers guard the frontier against invasion.
战士们守卫边疆，防止外敌入侵。
相关例句：
She had a history of borderline hypertension and intermittent atrial fibrillation but had been otherwise well.
她有临界性高血压和间歇性房颤的病史，但其他方面一直不错。
Comparative analysis between borderline and malignant Brenner tumors in the ovary
卵巢交界性与恶性布莱纳瘤4例观察与分析
Objective To study the clinical features and management of borderline ovarian tumor.
目的明确卵巢交界性肿瘤的临床特征及治疗方法。
Objective To explore the defense styles of patients with borderline personality disorder.
目的探讨边缘型人格障碍的防御方式。
There is a obvious difference between borderline, pre cancerous and benign lesion in the expression of TRAP.
另外，交界性及癌前病变与良性病变组织中TRAP表达差异也有显著性。
We found demarcation walls in many farm units indicating the borderline between the water rights of adjacent farms.
我们在许多耕作单元内找到分界墙，表明相邻农场之间用水权的分界线。