我们听到远处传来直升机的轰鸣声。

We heard the roar of ___choppers in the distance.

他咧嘴一笑，露出了那副闪亮的金牙。

He grinned, showing off his shiny gold ___choppers.

那些骑手们正在修理他们闪亮的摩托车。

The riders are fixing their shiny ___choppers in the garage.