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These pigs had acquired lungworm infestations presumably containing masked influenza virus under natural conditions.

这些猪在自然条件下已受到含有流感病毒的肺丝寄生

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Disease caused by infestation of tissue with filariae.

肠内感染由于变形所引起。

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As a rule the swine infested with the lungworms carrying the "masked virus" did not develop swine influenza immediately upon infestation with the lungworm.

通常,受到携带了“病毒”的肺丝侵袭的猪,并不因肺丝侵袭立即发生流感。

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There are lots of factors causing infestation of phytophagous pests and changes of dominate species in the apple orchards.

摘要苹果园内植食性昆种群数量的要种类的变替,原因是多方面的。

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Conclusion The infestation ratio and the ectozoa index of these hosts were lower with the exception of hedgepig.

结论除刺猬外,各鼠种染指数较低。

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The arrival of warm weather raises the specter of disease and increased rat infestations caused by rotting garbage.

天气转暖使人们担心垃圾腐烂会引起疾病传播鼠群猖獗。

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经济学(汇总)

The biggest infestation of locusts for at least 25 years wrought havoc on east Africa.

至少25年来最大蝗灾给东非造了严重破坏。

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当月 CNN 10 学生英语 2020年5月合集

An infestation of billions of insects has destroyed trees, crops and pastureland, threatening livelihoods and food supplies for millions of people in the region, what's making things worse is the coronavirus pandemic.

数十亿蝗虫侵扰破坏了树木、农作物和牧场,威胁着该地区数百万生计和粮食供应,而冠状病毒大流行使情况变得更糟。

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环境与科学

The girls have had some recent issues with skin problems, through what we think is infestation of ticks, that they've had after the rain events have happened. I don't know, whether it's correlated with this explosion of ticks.

“女孩们”最近有一些皮肤问题,我们认为这是由于虱子感染,是在那场大雨后发生事情。我不知道这是否与蜱虫激增有关。

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VOA Daily Standard 2020年4月合集

This new funding brings the U.S. humanitarian response to the infestation to $19 million.

这笔新资金使美国对道主义援助达到1900万美元。

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VOA常速英语_非洲

Local agriculture officials say farmers alone cannot solve the locust infestation.

当地农业官员说,靠农民无法解决蝗灾问题。

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Newsweek

In recent years, warnings of infestations in ponds and lakes have become routine.

近年来,池塘和湖泊为家常便饭。

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BBC 听力 2024年8月合集

An infestation in 2023 caused widespread alarm, but was swiftly dealt with.

2023年一次臭虫泛滥引起了广泛警觉,但很快就得到了处理。

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NPR音讯 2022年7月合集

And bark beetle infestations killed thousands and thousands of trees.

感染树皮甲虫使千上万树木死亡。

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经济学-科技

The killer blow would then be administered by something else: a mite infestation, perhaps, or a fungal infection, or whatever else happened to turn up that a healthy hive would have shrugged off.

以下原因也可以被视为蜂群杀手,如寄生虫肆虐、霉菌感染,或者导致蜂群健康降低其他事情。

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精选英语短文

Thirty suspected or confirmed infestations have been reported since the end of October, prompting the government to announce a four-week campaign aimed at eradicating the bloodsucking pests.

截至10月底,有30例疑似或被确认臭虫感染事件上报,这促使韩国政府宣布了一个为期四周除虫计划。

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CNN 10 学生英语 2025年4月合集

CNN's Anna Kubin went out to find out more about what has become this growing health problem because of rotting garbage and rat infestations.

CNN记者安娜·库宾实地探访,调查了这些腐烂垃圾和鼠如何演变了日益严重公共卫生危机。

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VOA Daily Standard 2020年3月合集

It is the worst locust infestation that Kenya has suffered in 70 years, and the worst in Somalia and Ethiopia in 25 years.

这是肯尼亚70年来最严重蝗灾,也是索马里和埃塞俄比亚25年来最严重蝗灾。

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心理学小课堂

Ekbom Syndrome is a type of delusion where a person will believe that they have a bug or parasite infestation inside them.

埃克博姆综合症是一种妄想症,患者会相信自己体内有虫子或寄生虫侵扰

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VOA Special 2016年6月合集

There, students demand education reform, pest management to handle pigeon infestations in schools, and a school lunch program to benefit all students.

该州学生们要求进行教育改革,对学校鸽子侵扰进行虫管理,推行让所有学生受益学校午餐项目。

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绝望主妇(音频版)第一季

Ants, huh? -Yes, I've had a little infestation problem. I wanted to take care of it before I left on my trip.

蚂蚁,啊?-是,我有一个小小问题。我想在我去旅行之前解决掉。

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BBC 听力 2023年7月合集

The discovery could lead to the development of a remote detection system which would allow beekeepers to eradicate infestations earlier than previously.

这一发现将促进远程检测系统开发,该系统将使养蜂比以前更早地根除

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经济学(汇总)

Dr Paz knew from past work that sheep with severe worm infestations tend to have abnormal bacterial populations in their faeces.

Paz博士从过去工作中了解到,患有严重蠕虫感染绵羊粪便中往往细菌种群不正常。

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CNN 10 学生英语 2023年10月合集

A recent government report estimated that about 1 in 10 French households had had bedbug infestations between 2017 and last year.

最近一份政府报估计,从2017年到去年,大约每10户法国家庭中就有1户曾遭受过臭虫侵扰

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托福写作快速技巧

In this case, his first theory is that the collapse might have been caused by an infestation of large rats.

在这个例子中,他第一个理论是,倒塌可能是由大老鼠侵扰

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BBC 听力 2023年8月合集

Officials in Italy say they're taking action to tackle an infestation of rats around the Colosseum in Rome.

意大利官员宣布正在采取行动,应对罗马斗兽场周边老鼠泛滥问题。

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