Tests showed increased levels of toxin in shellfish.
测试表明贝类中的毒素级别上升了。
They were close to weaponizing ricin - a lethal plant toxin.
他们快把蓖麻毒素——一种致命的植物毒素——研发成武器了。
Other mammals, such as the platypus and some shrews, are venomous, meaning they produce a toxin internally .
其他哺乳动物如鸭嘴兽和一些鼩鼱是有毒的，这意味着它们会在体内产生一种毒素。
Postmortem analysis showed the presence of an as yet unidentified virus, as well as evidence of a know bacterial toxin.
尸检分析显示出存在一种未知的病毒，以及一种已知的有毒细菌的证据。
Postmortem analysis showed the presence of an as yet unidentified virus, as well as evidence of a known bacterial toxin.
尸检分析显示存在一种尚未识别的病毒，以及一种已知细菌毒素的证据。
Although both viruses and bacterial toxins can kill seals, it is more likely that these deaths were the result of the bacterial toxin.
因此，尽管病毒和细菌毒素都能杀死海豹，但这些死亡更有可能是细菌毒素造成的。
In polluted environments, dolphins gradually accumulated toxins in their body fat, and the larger the dolphin, the more accumulated toxin it can tolerate.
在被污染的环境中，海豚体内的脂肪会逐渐积聚毒素。海豚的体型越大，它所能承受的毒素就越多。
"It was a toxin that was poisoning the family," says Robert Rector, a welfare-reform policy analyst.
“这就是当时在毒害家庭的毒药。”福利改革政策分析师罗伯特·雷克特说。
Latrunculin is a toxin produced by sponges.
拉春库林是一种由海绵产生的毒素。
The elementary properties of crude extract of the toxin produced by mycoparasite of Cronartium ribicola are studied.
对生柱锈菌上的真菌寄生物产生的粗毒素的基本性质进行研究。
The objective is to test various biochemistrical characteristics, toxin and drug resistance of the Corynebacterium diphtheriae.
目的是要测试白喉棒状杆菌的各种生物化学特性、毒素和耐药性。
To set a thief to catch a thief, that is what we call “to counteract one toxin with another”.
叫小偷去抓小偷，这就叫 “以毒攻毒”。
The toxin can make sea life sick.
该种毒物能使海洋生物病变。
Each frog produces enough of the toxin to kill 10 humans.
一只毒镖蛙产生的毒素足以使10个人毙命。
Benzene is a highly poisonous toxin that is also carcinogenic.
苯是一种有高毒性的毒素，它会致癌。
They used the toxin to deaden the muscles that control frowning.
他们通过注射这种毒素来减轻肌肉控制皱眉头这项行为的能力。
Lead is a systemic toxin that affects nearly every organ system in the body.
铅是一种内吸收毒物，能影响几乎全身的所有器官组织。
The algae of concern is pseudo-nitschia, which produces a toxin called domoic acid.
引起人们忧虑的藻类学名叫伪菱形藻(pseudo-nitschia)，这种藻类能够产生一种名为软骨藻酸的毒物。
The sensitivity of the test meets WHO standards for detecting the toxin in drinking water.
这种测试的灵敏度满足了世界卫生组织探测饮用水毒物的标准。
Over about two weeks, the toxin killed about 80 percent of the cells that harbored that gene.
两个星期后，毒素杀死了白鼠脊髓内约百分之八十包含此基因的细胞。
Dr Nochi's mice really were protected. When he fed them cholera toxin, they did not get sick.
Nochi博士的老鼠在实验中得到了保护，当喂食它们霍乱毒素后，它们并没有染病。
Toxin analysis has improved but sometimes it is only luck that reveals ingeniously administered substances.
毒素分析技术进步了许多，但是有时能够分析出一些精心注入的有毒物质也纯属侥幸。
By blocking the release of a chemical messenger in the brain, the toxin stops muscles from contracting.
这种毒素阻止大脑释放一种化学信号，从而抑制肌肉收缩。
Botox, the commercial name of botulinum toxin type a, is a neuro-toxin produced by Clostridium botulinum.
肉毒素是A型肉毒杆菌的商业名称。
When a group of people are exposed to a virus or food toxin, modern medicine examines only those who get sick.
当一群人暴露于病毒或食物毒的时候，现代医学仅仅检测那些生病的人。
The toxin particles block receptors on nerve endings, silencing the nerves and paralyzing surrounding muscles.
该毒素的颗粒会阻碍神经末梢上受体的活动、抑制神经冲动进而导致周边肌肉群麻痹。
The toxin, favoured by some celebrities as a wrinkle remover, relaxes jaw muscles and may reduce grinding.
肉毒素通常是那些社会名流用来进行除皱的，也可以放松下颌肌肉，或有可能减轻磨牙症状。
The toxin, favoured by some celebrities as a wrinkle remover, relaxes jaw muscles and may reduce grinding.
肉毒素通常是那些社会名流用来进行除皱的，也可以放松下颌肌肉，或有可能减轻磨牙症状。
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