dinosaur

名词 dinosaur:

1. any of numerous extinct terrestrial reptiles of the Mesozoic era

1. The natural history museum have a special exhibition of dinosaur.
   自然历史博物馆专门搞了一次恐龙展览。
2. No one have come up with a convincing explanation of why dinosaur die out.
   尚未有人能对恐龙的灭绝作出一个令人信服的解释。
3. We reconstructed what the dinosaur looked like from a few of its bones.
   我们根据恐龙的一些骨头重组恐龙的原貌。
4. His movie of the extinction of dinosaurs was a great success.
   他的关于恐龙灭绝的电影取得了巨大的成功。

di.no.saur

n.（名词）
Any of various extinct, often gigantic, carnivorous or herbivorous reptiles of the orders Saurischia and Ornithischia that were chiefly terrestrial and existed during the Mesozoic era.
恐龙：一种主要生活在中生代时期的陆栖动物，是庞大的食肉或食草爬行类动物，属龙盘目与鸟盘目，已绝种
A relic of the past:
恐龙遗骸：
例句：
.living dinosaurs of the world of vegetation.(John Olmsted)
.植物界现存的恐龙.(约翰·奥姆斯特德)

One that is hopelessly outmoded or unwieldy:
类恐龙物：灭绝或庞大的动物：
例句：
.The old, big-city teaching hospital is a dinosaur.(Peggy Breault)
.古老的大城市教学医院象是一个恐龙.(佩吉·布劳尔特)

来源：
Greek deinos [monstrous]
希腊语 deinos [庞大的]
Greek sauros [lizard]
希腊语 sauros [类似于蜥蜴的爬行动物]

【引伸】
di.nosau.ric