| 释义 |
million-year-oldCOCA⁹²⁰³⁹BNC¹⁷³⁹⁹⁵⁺²
例句
The125-million-year-old species Sinosauropteryx, for example, has bristles on its skin, and scientists found melanosomes in the tail bristles.
例如一亿二千五百万年前存活在世的中华龙鸟种群，全身长满刚毛，科学家们从它们尾部的刚毛处发现存在有黑素体。 yeeyan
The70 million-year-old fossils of the carnivore would have rested for millenniums at the bottom of an Antarctic sea, while remains of the100-foot- long herbivore were found on the top of a mountain.
这具食肉恐龙化石距今已有七千万年，它被埋藏在南极海底数千年，另一具身长100英尺的食草恐龙遗骸是在一座山顶上发现的。 www.chinadaily.com.cn |