fruitful造句
We had a long, happy,
fruitful relationship.
我们有过一段长久、愉快、双方都获益良多的关系。
It was a
fruitful meeting; we made a lot of important decisions.
这是一次很有成效的会议, 我们做出了许多重大决定.
Newton's laws were
fruitful for the future development of science.
牛顿定律对其后的科学发展起了很大作用.