深冻是保藏食品最简便的办法。

Deep freezing is the simplest way of preserving food.

youdao

深冻是保藏食品最简便的方法。

Deep freezing is the simplest way of preserving food.

youdao

深冻是保藏食品最简便的方法。

Deep freezing is the simplest way of preserving food.

youdao