line of communication

• 交通线

line of communication的用法和样例：

例句

1. The report revealed the precariousness of their position.
   城市要扩大就要延长交通线。
2. We do not simply want to squat on the oilfields, but to get through communication with Russia.
   我们不仅仅要占领油田，而且要开辟直达俄国的交通线。