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"spikes provide greater traction"
"the seismograph showed a sharp spike in response to the temblor"
以上来源于: WordNet
N-COUNT A spike is a long piece of metal with a sharp point. 长金属锥
...a 15-foot wall topped with iron spikes.
…顶上装有长铁锥的15英尺高的墙。
V to add alcohol to (a drink) (向饮料中)加酒
V to hit (a ball) sharply downwards with an overarm motion from the front of one's own court into the opposing court (排球中的)大力扣杀 [volleyball]
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