However, the black tea extracts, and particularly dried black tea extract, when made to beverage concentrates, usually become turbid if the beverage or the extract is allowed to cool to room temperature or lower.

• 然而当把这种红茶的提取物,尤其是把干红茶的提取物制成饮料浓缩液时,一旦被冷却至室温或更低的温度,它们常变得混浊。