| 单词 | ichthyosaur |
| 释义 | ichthyosaur —ichthyosaurian, adj. , n. —ichthyosauroid, adj. /ik"thee euh sawr'/, n. any fishlike marine reptile of the extinct order Ichthyosauria, ranging from 4 to 40 ft. (1.2 to 12 m) in length and having a round, tapering body, a large head, four paddlelike flippers, and a vertical caudal fin. [1820-30; see ICHTHYOSAURUS] |
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