他举起双臂庆祝胜利。

He raised both ___arms to celebrate the victory.

这家银行的国际业务部门发展迅速。

The international ___arm of this bank is growing rapidly.

政府决定为警察配备新型防暴装备。

The government decided to ___arm the police with new riot gear.

这件衬衫的袖子太长了，不适合我。

The ___arm of this shirt is too long for me.