jackrabbit
n.
1863, American English, shortening of jackass-rabbit (1851), so called for its long ears. Proverbial for bursts of speed (up to 45 mph).
| 词汇 | jackrabbit | 
| 词根词缀 | Online Etymology Dictionary jackrabbit n. 1863, American English, shortening of jackass-rabbit (1851), so called for its long ears. Proverbial for bursts of speed (up to 45 mph). | 
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