plesiosaurusn.
plisɪə'sɔrəs
中文n. 蛇颈龙（等于plesiosaur）
词根词源
plesiosaurus (n.)1825, from Modern Latin Pleisiosaurus (1821), coined by English paleontologist William Daniel Conybeare (1787-1857) from Greek plesios "near," related to pelas, + -saurus.
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