(of a tree, plant, or land) producing much fruit; fertile (树,植物,土地)结很多果实的;富饶的 ■producing good or helpful results; productive 卓有成效的;有收益的;多产的 memoirs can be a fruitful source of information. 回忆录可能会是一个丰富的信息来源。 ■(of a person) producing many offspring (人)多子多孙的