1. He wore running spikes during the race.
他在比赛中穿着跑鞋钉。

2. There was a spike in electricity prices last month.
上个月电价出现了急剧上涨。

3. The fence was covered with sharp spikes.
篱笆上覆盖着锋利的尖刺。

A: Why are you wearing spikes today?
A：你今天为什么穿尖钉鞋？

B: I have a track meet, so I need them for better grip.
B：我今天有田径比赛，需要它们增加抓地力。

1) 锋利尖刺或尖状物

2) 鞋底用钉提高抓地力

3) 数值或数量的突然上升

1. 尖刺、尖状物

e.g. The hedgehog has spikes on its back.
刺猬背上有尖刺。

2. 鞋钉，用于运动鞋底

e.g. Sprinters wear spikes for better traction.
短跑运动员穿鞋钉以获得更好抓地力。

3. 突然上升的数值或指标

e.g. There was a spike in website traffic yesterday.
昨天网站流量突然激增。

noun

1. A sharp pointed object or projection; small metal points on shoes used in sports; a sudden sharp increase in value or quantity.

Synonym: spikelets, studs, surge