Many of them have joined up.

他们很多人参军了。

Her son often says he will join up when he grows up.

她的儿子经常说他长大了要去参军。

The Anti-Japanese War broke out, and he joined up at once.

抗日战争爆发了,他立即参军了。

He has joined up in the Parachute Regiment.

他参加了伞兵团。

I'm glad to see that the edges of the wound are joining up nicely.

我高兴地看到伤口的边缘正在很好地愈合。

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

三家俱乐部联合起来,共同改善镇上运动场的设施。

The railway tracks join up into a single line on the other side of the town.

镇子那边的几条铁道合为一条单线。

We plan to join up with the other party of climbers on the other side of the mountain.

我们准备在山的另一侧,同那个登山队会合在一起。

They joined up with us for the remainder of the holidays.

他们来跟我们一起共度余下的假期。

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

在被占领的桥梁附近,突击队和空降部队会合。

The electrician joined the wires up.

电工把电线接好了。

The first stage of the operation was to join up the bones.

手术的第一步是把骨头接上。

We joined up small plots of land and made bigger fields.

我们把小块儿的地连成了大块儿的田。

Engineers can join up distant countries by radio or telephone.

工程师能用无线电或电话把相距遥远的国家联系起来。

Children have to learn to join up their letters.

孩子们得学会拼写单词。

Four main vessels had to be joined up.

有四根大血管需要连接。