Miss Carson and other scientists were very concerned about the harmful effects of DDT and other insect-killing chemicals called pesticides.

VOA: special.2010.03.14

One of the great short stories of the last century begins with a sentence by Franz Kafka: "As Gregor Samsa woke one morning from uneasy dreams, he found himself transformed in his bed into a gigantic insect."

上世纪最伟大的短篇小说之一,弗朗茨·卡夫卡所写的名篇是这样开头的,"一天早晨,格里高尔·萨姆沙,从不安的睡梦中醒来,发现自己躺在床上,变成了一只巨大的甲虫"

耶鲁公开课 - 心理学导论课程节选

The friend suggests a certain insect repellent.

你朋友建议使用一种驱虫剂。

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She says the effect of disease is made worse by the buildup of insect-killing pesticides in bee colonies.

VOA: special.2011.05.24

The study found that many farmers have better harvests, better weed control and fewer losses from insect damage compared to traditional crops.

VOA: special.2010.05.18

The team also tested the insect material on methicillin-resistant staphylococcus aureus, also known as the disease MRSA.

VOA: special.2010.12.07

And Howard Russell, an insect expert at Michigan State University, says once they get to the marching point, they are difficult to stop.

VOA: special.2009.01.27

Also,place nets treated with insect poison on windows and over the bed at night.

VOA: special.2009.05.26

He bent over the insect and blew a breath of air at it.

VOA: special.2009.05.30

Then,the insect's bright wings stopped and it fell to the ground dead.

VOA: special.2011.01.29

The insect can carry a parasite that infects the central nervous system.

VOA: special.2010.04.07

The insect leaves the eggs in any standing water.

VOA: special.2009.05.26

This could lead to disease or insect damage.

VOA: special.2009.06.30

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

Wolfenbarger says insect-resistant GE crops have fewer adverse effects because farmers don't have to spray as many toxic insecticides.

VOA: standard.2010.04.15

But the insect still holds an honored place in Enterprise: in the monument on Main Street;

VOA: standard.2010.08.10

are very similar genetically. "And that's a real problem when you're trying to overcome new insect or disease threats or pressures, or trying to breed a plant that's more water efficient, or even finding genetic variation for water production."

VOA: standard.2010.02.01