听力文本

Pyrethroid insecticides are currently used as a main method of bedbug control.

目前控制臭虫的主要方法是使用拟除虫菊酯类杀虫剂E2!zCJrG=A4jK!a。

Unfortunately, researchers have reported that many bedbug populations may have developed resistance to these and other types of insecticides.

不幸的是，研究人员报告称，许多臭虫种群可能对这些或其它类型的杀虫剂产生了抗药性#Sgd+*La0oS9%BoSHE.。

Now, Researchers from North Carolina State University and Penn State say they have created a fungal "biopesticide" to battle even the strongest bedbugs.

现在，来自北卡罗来纳州立大学和宾州州立大学的研究人员称，他们已经发明了一种真菌生物杀虫剂，可以用来对抗最强的臭虫zE%atE10dLc!@,。

researchers investigate using a natural fungus that causes disease in insects.The result was the development of patent-pending Aprehend.

研究人员使用一种天然真菌使昆虫感染疾病7%bNnl;nK58Cp2r0(;k。结果正在申请专利LO.T!~l[TZ。

researchers said it killed 95.5 percent to 99 percent of bedbugs within 14 days, including those resistant to the insecticides currently being used.

研究人员表示，这能在14天内杀死百分之95.5到百分之99的臭虫，包括那些对现在杀虫剂有抗药性的臭虫CVEiMv5q,l7]LYbcG。

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词汇解析

1、current

(河、湖或海的)水流，潮流

Under normal conditions, the ocean currents of the tropical Pacific travel from east to west.

在正常情况下，太平洋的热带洋流自东向西流(!W_xL;(_CS|ySL+=c。

The couple were swept away by the strong current.

这对夫妻被巨大的水流卷走了9@ulu9j4*V。

思潮;潮流;趋向

Each party represents a distinct current of thought.

每个党派代表一种不同的思潮8r,+3U-L(];。

A strong current of nationalism runs through ideology and politics in the Arab world.

一股强烈的民族主义思潮涌入阿拉伯世界的思想体系和政治体系*g!50=Vm%O4。

现时的;当前的;进行中的

The current situation is very different to that in 1990.

当前的形势与1990年截然不同xMRi+ejMFt^Fm1。

He plans to repeal a number of current policies.

他计划废除一些当前的政策=(^LOFUr)d1NgCuNv2。

2、resistant

反对的;抵制的;抗拒的

Some people are very resistant to the idea of exercise.

有些人十分反对锻炼2^[LR0ViIpnP^。

有抵抗力的;不受…损害的

how to improve plants to make them more resistant to disease.

如何改良植物以增强它们对病害的抵抗力

The body may be less resistant if it is cold.

天冷时，身体的抵抗力会下降es^#,TR!4z。