这是一种带尖刺的武器。

This is a weapon with ___spikes.

工人们正在用锤子把铁轨上的道钉敲紧。

The workers are tightening the ___spikes on the railroad tracks with hammers.

股市昨天出现了异常的暴涨。

There was an unusual ___spike in the stock market yesterday.

足球运动员的鞋底装有金属钉以防滑倒。

The soccer player's shoes have metal ___spikes to prevent slipping.