基本解釋n.蛇頸龍同根派生 plesiosaur相關(guān)詞英漢例句用作名詞 (n.)Elasmosaurus was not a dinosaur.It was a plesiosaur.依拉絲莫龍不是恐龍，它是蛇頸龍。plesiosaur更多例句