蜘蛛用多长时间消灭害虫？

How much time do spiders spend in killing insects?

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这里没有害虫。

There is no pest here.

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它们是害虫。

They are pests.

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这是只害虫。

This is a pest.

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男孩们正在追赶那只大害虫。

The boys are chasing that big bad bug.

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也会进行每周一次的疾病或害虫检查。

They also check for diseases or pests once a week.

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他们用烟熏房间以杀死害虫。

They fumigated the room to kill the vermin.

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栎树主要害虫之一，天社蛾科。

One of the most important pests, day club moth division.

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鸟是害虫的天敌鸟是人类的朋友。

Birds are natural enemies of insect pests of human bird friend.

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没有太多的话要说对这种害虫。

Not much more to say about this pest.

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提出了防治此害虫的主要措施。

The main control measure for the pest was proposed.

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这是国际害虫管理杂志的网页。

This is the web page of International Journal of Pest Management.

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银杏树也很经得住烟雾、铺路盐、害虫等的侵袭。

Ginkgoes also stand up well to smog, road salt and pests.

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它们特别容易受到害虫、疾病和气候变化的危害。

They are particularly vulnerable to pests, disease and climate change.

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假如蜘蛛和甲虫能够帮你解决所有害虫，那很好。

If you can get your spiders and beetles to eat all your pests, then great.

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垃圾会引来老鼠、苍蝇和其他害虫。

Garbage invites rats, flies, and other vermin to MOVE in.

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他们使用紫外线灯杀死害虫。

They use ultraviolet lamp to kill pests.

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这是值得欢迎的，这是害虫。

Which is welcome, which is pest .

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这些害虫，除治起来很困难。

These pests are very difficult to eradicate.

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我将要吃许多的昆虫——大量的害虫。

I'm going to eat a lot of insects-a lot of bad insects.

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马铃薯易受几种害虫的侵害。

The potato is vulnerable to several pests.

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我现在才知道，螳螂原来是吃害虫的呀！

Now I just know, mantis originally is eating insects!

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燕子能帮助农民消灭害虫。

Swallow can help peasants kill pests.

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我想告诉她这种特殊的杀除害虫的方法。

I want to tell her all about the special pests-killing method.

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所以，健康的黄杉是不会受到害虫损害的。

So, healthy cedars are unlikely to suffer from the insect damage.

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鼹鼠还可以吃掉很多草坪和花园里的害虫。

Moles also eat many lawn and garden pests.

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我们必须动手消灭害虫。

We must take action in destroying the pest.

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苍蝇和蚊子都是害虫。

Flies and mosquitoes are pests.

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苍蝇和蚊子都是害虫。

Flies and mosquitoes are pests.

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