fruitfulKK [ˋfrutfəl] /ˈfɹutfəl/發音形容詞1富有成效的、有成果的、收穫豐富的The two sides had a fruitful discussion about future cooperation.雙方就未來的合作進行了富有成效的討論。2多產的、豐收的、肥沃的The valley's fruitful soil supports three harvests a year.這座山谷的土壤肥沃,一年可以收成三次。