它们是害虫。
Exotic pests are more efficient than most abiotic disturbances.
外来有害生物比大多数非生物干扰更有效。
Flies and mosquitoes are pests.
苍蝇和蚊子都是害虫。
Flies and mosquitoes are pests.
苍蝇和蚊子是害虫。
There are many pests in the tree.
有许多害虫在树上。
Swallow can help peasants kill pests.
燕子能帮助农民消灭害虫。
Why not choose to eat the pests first?
选择吃虫子有什么不好的呢？
They use ultraviolet lamp to kill pests.
他们使用紫外线灯杀死害虫。
No pests, uniformity is good, spend rate.
无病虫害，整齐度好，上花率高。
The pests spread quickly in these regions.
虫害在这些地区迅速蔓延。
Moles also eat many lawn and garden pests.
鼹鼠还可以吃掉很多草坪和花园里的害虫。
The potato is vulnerable to several pests.
马铃薯易受几种害虫的侵害。
He sprayed the garden to get rid of pests.
他给花园喷了杀虫剂。
These pests are very difficult to eradicate.
这些害虫，除治起来很困难。
苍蝇是害虫！
They also check for diseases or pests once a week.
也会进行每周一次的疾病或害虫检查。
Cats can help rid the home of unwanted pests.
猫能帮忙清除家里讨厌的老鼠。
Cats can help rid the home of unwanted pests.
猫能帮忙清除家里讨人厌的害虫和有害的小动物。
In addition to agricultural production for pests.
农业生产中用于除害虫。
Ginkgoes also stand up well to smog, road salt and pests.
银杏树也很经得住烟雾、铺路盐、害虫等的侵袭。
So, it is of great significance to study these pests.
因此，开展该类害虫的研究具有重要意义。
Daniel: Oh, then what would happen if there were pests?
丹尼尔：哦，那要是有害虫怎么办呢？
One of the most important pests, day club moth division.
栎树主要害虫之一，天社蛾科。
Benjamin: I heard they used ultraviolet lamp to kill pests.
本杰明：我听说他们用一种紫外线探照灯来杀灭害虫。
I want to tell her all about the special pests-killing method.
我想告诉她这种特殊的杀除害虫的方法。
It provided a new way in control rice disease, pests and weeds.
为水稻病虫、杂草的生物防治提供一条新途径。
They are particularly vulnerable to pests, disease and climate change.
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.
它们特别容易受到害虫、疾病和气候变化的危害。
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