即使是元素状态为气体的氮，也通常作为硝酸根离子从土壤中被吸收。

Even nitrogen, which is a gas in its elemental state, is normally absorbed from the soil as nitrate ions.

youdao

即使是元素状态为气体的氮，也通常作为硝酸根离子从土壤中被吸收。

Even nitrogen, which is a gas in its elemental state, is normally absorbed from the soil as nitrate ions.

youdao