elasmosaurusn.
i,læzməu'sɔ:rəs
中文n. 板龙（中生代白垩纪北美洲的爬行动物）；薄片龙（一种古代生物）
词根词源
elasmosaurus (n.)giant sea reptile from the Mezozoic, 1868, from Modern Latin (coined by E.D. Cope), from comb. form of Greek elasmos "metal plate" (from elan "to strike;" see elastic) + -saurus. So called from the caudal laminae and the great plate-bones.
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