脚印化石的英文

例句与用法

1. A track from a three - toed dinosaur believed to be about 70 million years old has been discovered in denali national park , the first evidence that the animals roamed there , scientists said
   美国科学家日前表示，一块被认为是7000万年前的恐龙脚印化石在阿拉斯加州的德纳里峰国家森林公园现身。这表明该地区曾经生活着恐龙。