是九年级的词汇，discover，意思是发现、发觉，例如：
1.Wind forward to the bit where they discover the body.往前绕片，绕到他们发现尸体的那一截。
2.They soon discovered a mutual interest in music.他们很快发现对音乐有着共同的兴趣。
3.We may never discover what took place that night.我们可能永远不会知道那一夜发生了什么事。
