研究者说。聪明的蜘蛛利用一种自身的化学制品A把蚂蚁困在他们的金色圆形蜘蛛网里，这样蜘蛛就变成了一个害虫防治机构。

Clever spiders a chemical used by golden orb web spiders to keep ants at bay could make a useful pest control agent, say researchers.

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一天，一只相当聪明的苍蝇逼近了干净的蜘蛛网。

One day, a very smart flies close to a clean cobwebs.

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第二个看到的人，他说道“这蜘蛛真傻，他为什么不从干的地方爬去目的地啊，我再不会像他一样笨了” 于是 他变得聪明起来。

See the second person, he said: this spider really stupid, why not from the dry side and climbed up to look around the place?I will be as foolish as it should not. Thus, he becomes wise up.

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