"Spiders are key predators of insects and can alleviate the need for farmers to spray large quantities of pesticide," Reynolds said.
“蜘蛛是昆虫的天敌，有了它能避免农民大量喷洒杀虫剂”，雷诺兹说。
Top predators are key to keeping populations of key species from growing too large.
大型捕食者是使主要的物种种群不会生长过大的关键因素。
The Predators are a key “force multiplier”, especially helpful in rugged, isolated stretches.
“食肉动物”则是增加力量的利器，尤其对崎岖、孤立的地带特别有帮助。
The Predators are a key "force multiplier", especially helpful in rugged, isolated stretches.
“食肉动物”则是增加力量的利器，尤其对崎岖、孤立的地带特别有帮助。
In many communities insects play a key role as herbivores and predators.
在许多群落中，昆虫作为植食动物和捕食者起着重要的作用。
In many communities insects play a key role as herbivores and predators.
在许多群落中，昆虫作为植食动物和捕食者起着重要的作用。
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