gun bridge的意思|示意

They were working under the gun to get the bridge repaired before the rainy season set in.

他们全力以赴，以便在雨季到来之前把桥修复。

We crossed over the canal bridge and suddenly drove into a wall of machine gun fire.

我们开过上面提到的那座小桥，突然遭遇机关枪的密集扫射。

Sections of TMT Speedy Rail have been supplied for the bridge across the conveyor that carries the nail gun.

科传媒快速铁路已经提供的桥梁跨越传送带带有钉枪。