They have also sprayed chemicals in places where mosquitos breed.

他们还在蚊子繁衍地段喷洒化学药剂。

Cutting off infected branches, or pruning, and spraying chemicals are two ways to deal with blight.

剪掉或修剪被感染的枝条，以及喷洒化学药品是处理枯萎病的两种方法。

You can kill it by spraying chemicals and government officials are, but some volunteers are also fighting salvinia naturally.

你可以用喷洒化学试剂来杀死它们，当地政府就是这么做的，但是当地民众选择用生物方法来消灭它们。

Airplanes fly through the clouds and spray chemicals to make water particles freeze and stick together as snowflakes.

飞机在云层中飞行，喷洒化学物质，使水滴结成冰并相互粘连，形成雪花。

Geo-engineers from Harvard University believe that spraying sun-dimming chemicals into the stratosphere high above the Earth could slow down global warming.

来自哈佛大学的地质工程师认为向地球的平流层喷洒“太阳暗化”化学物质可以放慢全球变暖速度。

To preserve is to protect something from harm that sprayed a chemical on the house to help preserve its luck.

保存是指在房子上喷洒一种化学物质以保护它不受伤害。

Kenya's Ministry of Agriculture has mobilized five planes to spray chemicals in one county in northern Kenya, but more swarms are appearing every week.

肯尼亚农业部已经动员了五架飞机在肯尼亚北部的一个县喷洒化学药品，但是每周都有更多的蝗虫出现。

When Anton saw Tricoche, he looked as if he had been dipped in a vat of flour, covered in the residue of all that chemical spray.

当安东看到特里科什时，他看起来就像被浸在一大桶面粉里，被化学喷雾的残渣覆盖着。

One way to prevent malaria is by using mosquito nets treated with long-lasting insecticides. Another way is to spray such chemicals inside buildings.

预防疟疾的一种方法是使用经过长效杀虫剂处理的蚊帐。 另一种方法是在建筑物内喷洒此类化学品。

A " spray tan" is where you go to a place and they basically paint your body;they spray this chemical to make your skin look darker.

“晒黑喷雾”是您去某个地方，他们基本上会在您的身体上涂漆；他们会喷洒这种化学物质，让您的皮肤看起来更黑。

It would involve the use of gigantic hoses or high-powered chemical cannons to spray chemicals into the stratosphere to act as a reflective barrier against sunlight and harmful UV rays.

该技术需要用到巨型水管或是一种高性能的化学加农炮向平流层喷洒化学物质以起到反射屏障的作用阻隔阳光和有害的紫外线。

I learned how robotics can end the practice of broadcast spraying chemicals across millions of acres of land and how we can reduce the use of herbicides by up to 90 percent.

我了解了机器人技术如何能够结束在数百万英亩土地上撒播化学药品的做法，以及我们如何能够将除草剂的使用量减少高达 90%。

A " fire extinguisher" is a metal, typically round container that you hold in your hands, and you press a button and it sprays out a chemical that helps put out a fire – a small fire, like in your kitchen for example.

“灭火器” 是一种金属， 通常是圆形的容器， 你拿在手里， 按下一个按钮，它就会喷出一种化学物质， 帮助灭火。 灭火——小火， 比如在你的厨房里。