Now, that is some good old fashioned American concord grape jelly.

这是老式的美国康科德葡萄果冻。

It’s mainly found just one kind of grape -- concord grapes, a variety that’s specific to North America and today is typically used in grape juice.

它主要只发现一种葡萄——康科德葡萄，这是一种北美特有的品种，如今通常用于制作葡萄汁。