Four main vessels had to be joined up.

有四管需要连接。

They joined up with us to spend the remainder of the holiday.

他们来跟我们一起共度余下的假期。

The three clubs joined up to improve the town's playground facilities.

三家俱部联合起来共同改善镇上运动场的设施。

The commando force joined up with the airborne troops near the captured bridge.

在被占领的桥,突击队和空降部队会合。