单词造句oxygen.shellfish.amphibian.reptile.dinosaur.mammal.thus.dioxide.biology...

题目

单词造句oxygen.shellfish.amphibian.reptile.dinosaur.mammal.thus.dioxide.biology...

答案

No living things can live without oxygen.
Shellfish usually attach themselves to rocks.
Amphibian animals start their lives in water,and finish their rest lives on land.
The frog is not a true reptile.
We saw many kinds of fossils of dinosaurs in the Dinosaur World.
In comparison with the mammal,the ordinary reptile is altogether reckless of its offspring .
Thus the question was finally settled.
In the air includes many carbon dioxide.
My favorite subject is biology