空气是气态物质其特点是流动性。

Air is the gaseous state of matter whose characteristic is mobility.

youdao

物质以三种形态存在：固态、液态和气态。

Matter exists in three states: solid, liquid and gas.

《新英汉大辞典》

我们所有的物质都是气态。

That's all we have, is the gas.

youdao

物质以三种形态存在：固态、液态和气态。

Matter generally exists in three states: gas, liquid and solid.

youdao

物质以三种形态存在：固态、液态和气态。

Most matter has three states: solid, liquid and gas.

youdao

物质通常有三态：气态，液态，固态。

There are three states of things — solid, liquid and gas.

youdao

物质通常有三态：气态，液态，固态。

There are three states of things — solid, liquid and gas.

youdao