The cage-typed electric-net insect killer can be used all day long, which can widely trap and kill the crops harmful insects.

这种笼式电网灭虫器 能够全天候使用，更为广泛地引诱触杀农作物有害昆虫。

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Weakness: the pollution of the environment, killer predators, pests drug-resistant produce, cause secondary pests for the main insect pests rise.

缺点：污染环境，杀伤天敌，害虫抗药性产生，导致次要害虫上升为主要害虫。

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There are two major traits among these GE crops: resistance to certain insect pests, and resistance to a weed-killer called glyphosate.

VOA: standard.2010.04.15