fruitful
- adj. 富有成效的；多产的；果实结得多的
考试真题
- They're documenting why teaching is such a fruitful way to learn, and designing innovative ways for young people to engage in instruction.
2018年6月四级真题（第三套）阅读 Section C
- It is more fruitful than the forced wait.
2017年高考英语天津卷 阅读理解 阅读C 选项
- Their efforts have been proven fruitful.
2018年高考英语全国卷3 阅读理解 阅读C 原文