| 61. | build up the border regions |
| 建设边区
|
| 62. | the border line between the countries |
| 两国的分界线
|
| 63. | construct new defense lines along the border |
| 沿边境构筑新防线
|
| 64. | live within the city border |
| 住在市内
|
| 65. | border [frontier] incidents |
| 边境事件
|
| 66. | a border patrol |
| 一支国境巡逻队
|
| 67. | a border change |
| 边界的改变
|
| 68. | a conflict between neighbouring countries over their common border |
| 邻国之间在共同边界问题上的争端
|
| 69. | border clashes |
| 边界冲突
|
| 70. | cross the border into another territory |
| 越过边界进入别国领土
|