例句與造句

1. Discoveries of dinosaur bones and fossils of now extinct flora and fauna have been made in the valleys of this region . The Talak region is about 100, 000 square km.
2. You wouldn't " smell " the difference in the atmospheric composition as far as the excess oxygen goes, though obviously smells produced by now extinct flora and fauna would likely be different.
3. It's difficult to find extinct flora in a sentence. 用extinct flora造句挺難的