lifebloodKK [ˋlaɪfˏblʌd] /ˈlaɪfˌblʌd/發音名詞1命脈、生命線、原動力Tourism is the lifeblood of many small coastal towns.觀光業是許多海邊小鎮的命脈。2鮮血、生命之血文學His lifeblood soaked the ground where he had fallen.他的鮮血染紅了他倒下的那片土地。