单词：ankylosaur
音标：['æŋkәlәu,sɔ:] ；
n. (白垩纪的古生物)甲龙(因披甲而有"爬行坦克" 之称)
n having the back covered with thick bony plates; thought to have walked with a sprawling gait resembling a lizard's
词型变化：名词复数形式 : ankylosaurs