So say Pentagon-backed scientists who have pored over the scales of Polypterus senegalus, also called the Senegal bichir or the dinosaur eel.是什么意思_So say Pentagon-backed scientists who have pored over the scales of Polypterus senegalus, also called the Senegal bichir or the dinosaur eel.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句