求帮忙翻译

Caviar, red caviar and black caviar of the points, were made of sturgeon eggs and cod roe. Is much higher than the price of red caviar, black caviar.
At present, the world's more than 20 species of sturgeon, and only produced in the south of Russia and Iran to the north of the Caspian Sea CaspianSea in the Beluga, Asetra, Sevruga three kinds of sturgeon eggs, as we know it can be used to produce the precious roe sauce. The highest grade Beluga, an annual output of less than 100, more than 60 years old and only mature eggs produced by fish, Beluga, Beluga caviar production to be eligible; followed by more than 40 over the age of Asetra fish produced eggs produced by Asetra caviar; and then is more than 20 over the age of the eggs produced by fish, Sevruga made of Sevruga caviar. Upper 30 grams of Beluga caviar, the price of 1,200 yuan RMB.
The higher the grade, caviar, fish and fat content inside the relative increment of salinity is relatively reduced; gradually while the taste is more sticky, more delicate flavor more Chhnang. The more advanced caviar, the more stout plump rounded particles, color become more transparent and clear, and even slightly shining golden glow.
Caviar must not contact with metal containers, because the metal would seriously undermine the aroma of caviar, the general consumption is a crystal plate, when accompanied by shell spoon.