black-eyed pea
noun [usually plural] (North American English)(British English cowpea, black-eyed bean)
a small white bean with a black spot on it, eaten a lot in the US. A dish called Hopping John (black-eyed peas and rice) is eaten in the southern US states on New Year's Day because it is thought to bring good luck in the new year. 黑眼豌豆：一种小白豆，上面有黑点，在美国被大量食用。元旦那天，在美国南部各州都吃了一种叫“霍普·约翰（Hopping John）”（黑眼豆和米饭）的菜，因为它被认为会在新年带来好运。