Malainey et al. find a possible explanation in late-eighteenth and early-nineteenth century accounts from three frontiersmen who had adapted to lean-meat diets during extended periods in the plains.

马莱内等人在18世纪末和19世纪初的三个前沿地区发现了一个可能的解释，这些前沿国家在平原上长期适应了瘦肉饮食。

Daniel Boone (1734-1820) is the most widely known of American frontiersmen. Daniel Boone is the most widely known of American frontiersmen.

丹尼尔·布恩（1734-1820），肯塔基州垦荒先驱，也是美国历史上最著名的拓荒者之一。

frontiersmen believed teas to be insipid "slops" fit only for the sick and those who, like British Lords, were incapable of bodily labor.

边疆人认为茶是一种稀薄乏味的饮料，只适合病人或不能进行体力劳动的人饮用，例如英国的贵族老爷们。

He knew the prejudices of the frontiersmen too well.

他深知道这些边民生性固执.