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

VOA: special.2009.05.30

The friend suggests a certain insect repellent.

你朋友建议使用一种驱虫剂。

I've already 课堂 - SpeakingMax英语口语达人

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

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

VOA: standard.2010.08.10

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

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

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