4周搞定2000+托福核心词
toxicity = tox(毒) + ic(…的) + ity(名词) = 毒性
toxin = tox(毒) + in(化学名词后缀) = 毒素
academic = academ(学院) + ic(…的) = 学院的
acidic = acid(酸) + ic(…的) = 酸的
有毒的;中毒的
toxic
常考释义
Because they lack oxygen, marsh sediments are high in sulfides that are toxic to most plants.
由于缺乏氧气，沼泽沉积物里的硫化物含量很高，这些硫化物对多数植物而言是有毒的。
来源于：阅读OFFICIAL22 P1adj. 毒素的；有毒的；中毒性的
Toxic fumes from burning materials is harmful.
燃烧材料时放出的毒烟很有害。
It acts as an antiviral, similar to AZT, but less toxic.
这是抗病毒药物，和AZT类似，但毒性更小。
来自《达拉斯买家俱乐部》
图片源自网络
Only recently have investigators considered using these plants to clean up soil and waste sites that have been contaminated by toxic levels of heavy metals–an environmentally friendly approach known as phytoremediation.
直到最近研究者才考虑用这些植物来清理已经被有毒重金属污染的土壤和废弃物物处理点——一种被称为植物修复法的修复方法。
来源于：阅读OFFICIAL5 P1Research has focused on the toxic effects of heavy metals such as lead, cadmium, mercury, and aluminum; however, even copper and zinc, which are essential elements, can become toxic in high concentrations.
着重研究重金属的毒性作用，如铅、镉、汞、铝；然而即使是铜和锌这样的必需元素，如果浓度过高也会产生毒性。
来源于：阅读OFFICIAL5 P1As an example, plants make chemicals toxic to fungal and bacterial parasites, along with ones toxic to predatory animals (sometimes they are the same chemicals).
而对于脊椎动物来说，其身体的免疫系统可以对体内的寄生物进行多层防御。
来源于：阅读OFFICIAL17 P3Because they lack oxygen, marsh sediments are high in sulfides that are toxic to most plants.
由于缺乏氧气，沼泽沉积物里的硫化物含量很高，这些硫化物对多数植物而言是有毒的。
来源于：阅读OFFICIAL22 P1But this was toxic soil and toxic runoff, the acid and metals in the soil made the once clear rivers flow bright orange.
但是这是有毒的土壤和径流，在土壤中的酸和金属使得一度清澈的河流变得橙黄。
来源于：听力OFFICIAL32 L5Big clouds of sulfuric smoke, which was toxic to the trees, formed over the areas.
在这个地方形成的，硫磺烟雾云团，也对树木有毒。
来源于：听力OFFICIAL32 L5In fact, they may contain up to two and a half times the concentration of toxic metals found in the soil they grow in.
事实上，它们所含的重金属是在它们所生长的土壤中有毒金属的2.5倍。
来源于：听力OFFICIAL42 L5Now going back to the absorption of toxic metals into the body of the fungus, let's turn our attention to mushrooms.
现在我们回到把有毒金属吸到真菌内部，让我们把注意力转向蘑菇上。
来源于：听力OFFICIAL42 L5And a filamentous fungus can adsorb toxic heavy metals, bind them to the surface of its enormous network of filaments, and thereby detoxify a large soil ecosystem.
丝状真菌可以吸附有毒金属，把他们粘在巨大的菌丝网的表面，由此为大的土壤生态系统解毒。
来源于：听力OFFICIAL42 L5This toxin can be concentrated in such filter-feeding organisms as clams and mussels, rendering them toxic to humans.
这种毒物可以在蛤和贻贝这种的滤食性生物体内堆积，最终使得他们对于以此为食的人类有毒。
来源于：阅读OFFICIAL35 P3adj. 有害的；致命的
These products are not toxic to humans.
这些产品对人体无害。
toxic effect
毒性作用；毒效
highly toxic
剧毒；高毒性的
toxic chemicals
有毒化学品；有毒化学物质
toxic waste
有毒废物，毒废料
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