新闻报道说警方用直升机追捕逃犯。

The news reported that the police used a ___chopper to chase the fugitive.

他花了几个月时间把旧摩托车改装成了一辆酷炫的chopper。

He spent months converting his old motorcycle into a cool ___chopper.

他用剁肉刀把整块肉切成小块。

He used a ___chopper to cut the whole piece of meat into small chunks.