Professor Ervin says this means that some farmers are again using the more toxic herbicides to control weeds.

VOA: special.2010.04.27

But then they can also be toxic if taken in too large of amounts because the body does store them.

但如果摄入过量也会中毒,因为机体储存的脂溶性维生素也会过量

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So,Once they are lost in response to a toxic sound or to an antibiotic it cannot be regenerated by natural means.

一旦因噪音或抗生素遭受损失,就难以再生。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

Executive coach,CNN commentator and author Lauren Mackler calls it a "toxic" environment.

VOA: special.2011.03.25

So, yes, they're very poisonous, and in fact, there are areas where you find this toxic compound, cyanide.

因此，没错，它们毒性非常强，而实际上，你会发现很多地方都有这种有毒成分，氰化物。

麻省理工公开课 - 化学原理课程节选

When a baby is put face down in a bed, it begins to re-breathe carbon dioxide, which is toxic.

VOA: standard.2010.02.08

Metallic sodium is toxic to humans.

金属钠有毒性。

麻省理工公开课 - 固态化学导论课程节选

Weissman says manufacturers often promote a product's recycled content, but might not mention,for example, that it contains toxic substances.

VOA: standard.2009.03.30

However, their biological relatives in Mexico would presumably have that same risk, but it would never be manifested if they're not exposed to what some have called a toxic food and physical activity environment.

而且,他们远在墨西哥的血缘亲属,可能也面临同样风险,但他们面临着所谓的有毒食物和活动环境,这个说法就不会得到证实

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Ervin says that means some farmers have returned to using soil-disturbing tillage or more toxic herbicides to control weeds.

VOA: standard.2010.04.15

In fact, that's their preferred state is suspended in a fluid where nutrients are widely available to them, and where they can swim from one spot to another in order to get the nutrients they need, or in order to run away from toxic compounds.

事实上,细菌更喜欢生活在,营养丰富易得的悬浮液中,它们可以从一个点游动到另一点,以获取所需营养,或逃离有毒物质

耶鲁公开课 - 生物医学工程探索课程节选

Wolfenbarger says insect-resistant GE crops have fewer adverse effects because farmers don't have to spray as many toxic insecticides.

VOA: standard.2010.04.15

And after a toxic insult, they are gone. This is what the inner ear of a person who is deaf looks like.

受到损伤后，毛细胞没了，耳朵失聪的人的内耳就是这幅摸样。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

Dr.Nissen points out that many over the counter drugs - aspirin,ibuprofen, acetaminophen or paracetamol - can be toxic if used improperly.

VOA: standard.2010.03.02

And in terms of thinking about it for organic chemistry or if you're interested in thinking about the mechanism maybe by which it is toxic, a first step would be to draw its Lewis structure.

而为了在有机化学中思考它,或者如果你对它,有毒的机理感兴趣的话，第一步要做的应该就是画出它的路易斯结构。

麻省理工公开课 - 化学原理课程节选

The European Green Party has also accused European companies of using Somalia's shoreline as a dump site for the disposal of toxic waste.

VOA: standard.2009.10.30

Chlorine gas, toxic to humans.

氯气有毒。

麻省理工公开课 - 固态化学导论课程节选

"It could be hitting natural fractures that already exist." Fox notes that toxic gases like benzene,toluene and hexane also accompany natural gas extraction.

VOA: standard.2010.01.02

Cyanide is incredibly toxic, it's a poison.

氰化物有极高的毒性，它是一种毒药。

麻省理工公开课 - 化学原理课程节选

In the latest development, U.S.authorities are launching an investigation into the presence of the toxic chemical cadmium in children's jewelry imported from China.

VOA: standard.2010.01.11

(Voice) Ahmed says the pirates are defending the Somali coast from illegal shipping and toxic waste dumping.

VOA: standard.2009.11.10

He says the battle against illegal fishing and toxic waste is no longer what drives piracy.

VOA: standard.2009.10.30

And farmers planting glyphosate-resistant crops can use just one less-toxic herbicide to control weeds.

VOA: standard.2010.04.15

Black leaders who opposed the move said the station would be, as Washington Post reporter Philip Kennicott put it, one of the toxic byproducts of oppression.

VOA: standard.2010.03.04

They're concerned about potentially toxic waste entering their local landfills.

VOA: standard.2010.08.05

Geithner said government and private investors will work together to purchase bad loans from banks, so-called "toxic assets", so the banks can resume lending and get the economy going again.

VOA: standard.2009.05.20

Mr.Fillon expressed confidence in U.S.Treasury Secretary Timothy Geithner's newest initiative to help stabilize the banking system by providing guarantees and low-interest loans to investors willing to purchase toxic assets from banks.

VOA: standard.2009.03.24

With his mind electronically linked to his Avatar body, Jake not only can walk again and survive in the toxic atmosphere of Pandora, he can also make direct contact with the Na'vi.

VOA: standard.2009.12.19

Most of the data comes from the industrialized world. Not surprisingly, burning fossil fuels for transportation and electrical generation top the list for their contributions to climate change, acid rain and toxic pollution.

VOA: standard.2010.06.04

And,he said, tar balls are less toxic.

VOA: standard.2010.05.26