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词汇 belemnite
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belemnite n.

type of fossil common in Jurassic sediments, the remains of an extinct squid-like animal, 1640s, from Greek belemnon "dart" (from ballein "to throw, to throw so as to hit," from PIE root *gwele- "to throw, reach") + -ite (1). So called for their shape.

updated on May 18, 2017

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更新时间:2025/5/1 5:47:17