front line

前线, 第一线

例句与用法：

The enemy broke through the front line, but were firmly repulsed from the higher ground by cavalry.

敌人冲破了前线，但被我们的骑兵部队毫不留情地从高地击退。

The captain was recalled from the front line.

这个上尉被从前线召了回来。

All the roads and bridges to the front line were destroyed to prevent the enemy's supplies and ammunition from coming up.

通往前线的道路和桥梁全都被毁坏了，以阻止敌人把军需品和军火运送到前线。

A player who takes a position behind the front line of other players in certain games, such as football.

后卫在某种比赛项目中，如足球，处在其它运动员前线位置之后的运动员

详细释义：

ph.

1. 前线(指英国西印度区, 伦敦的某些街)

2. 最前线; 战线; 火线