柯林斯詞典Memorial Day 1. N-UNCOUNT In the United States, Memorial Day is a public holiday when people honour the memory of Americans who have died in wars. Memorial Day is celebrated in most states on the last Monday in May. (美國(guó))陣亡將士紀(jì)唸日 返回 Memorial Day劍橋詞典a US holiday on the last Monday in May when people remember men and women who have died , especially those who have died fighting for their country in wars （美國(guó)假日）陣亡將士紀(jì)唸日 返回 Memorial Day