adj. 有教益的，有启发性的
词根：instruct
adj.
instructional 教学的；指导的，教育的
adv.
instructively 有益地；教育地
n.
instruction 指令，命令；指示；教导；用法说明
instructor 指导书；教员；指导者
instructress 女教师；女指导
vt.
instruct 指导；通知；命令；教授
1.The examples are good and instructive.
示例是优秀且有指导意义的。
2.But Towton has proved more instructive in some ways.
但从某种意义上说，陶顿万人坑更有启发意义。
3.The experience of Massachusetts is instructive.
马萨诸塞州的经验具有启发性。
4.The performance of emerging-market equities has also been instructive.
新兴市场股票的表现也是具有启发意义的。
5.Today, scholars have generated large amounts of instructive research about restaurants.
今天，学者们对餐馆进行了大量有意义的研究。
6.SOMETIMES confusion can be as instructive as precision.
有时模糊能和精确一样具有启发性。
7.The novel is so instructive that I can hardly tear myself away from it.
这部小说很有意义，简直使我爱不释手。
8.The performance of emerging-market equities has also been instructive.
新兴市场股票的表现也是具有启发意义的。