jackrabbit
['dʒækræbɪt]
n. 长耳大野兔（主要生长于北美西部）
中文词源
jackrabbit 杰克兔
jack,缩写自jackass,公驴，rabbit,兔子。因这种兔子耳朵较长而得名。
英文词源
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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