The so-called "dry" means that the sugar content of wine is very low. According to the sugar content, wine can be divided into four types: dry, semi-dry, semi-sweet and sweet:

Dry sugar content: 1000 ml contains less than 4 grams of sugar.

Semi-dry sugar content: 1000 ml contains more than 4 grams 12 grams of sugar.

Semi-sweet sugar content: 1000 ml contains 12-45 g of sugar.

Sweet sugar content: 1000 ml contains more than 45g of sugar.

The biggest difference between red wine and white wine is that red wine is fermented without peeling, while white wine is fermented without peeling.

Therefore, dry red refers to red wine with sugar content below 4 grams per 1 liter; Dry white refers to white wine with sugar content below 4 grams per kloc-0/liter.