Corn whiskey from the USA.Legally, bourbon must be made in the USA from no less than 51% corn, and be stored in new white oak barrels (which have been charred) for no less than two years.

• 玉米威士忌来自美国.；从法律上讲，在美国波本必须由不低于51%25的玉米，并储存在新的白橡木桶（已被烧焦的）至少两年。