“separate off”造句，怎么用separate off造句

The plants take salty or brackish water, and either warm it, vaporise it and separate off the salts and impurities, or pass it through filters.

The empty cell membrane of the bacterium may separate off, like the hull of a seed, leaving the spore as a free. round or oval body.

I hope that once the Secretariat is re-established, the members of the Central Committee and the State Council will set an example by solving problems collectively and stop the practice of just ticking off documents in their separate offices.