赭曲霉素a是一种毒枝菌素，据知对肾脏有毒性作用。
Ochratoxin a is a mycotoxin known to be toxic to the kidneys.
吃豆角容易中毒，是因为豆角里面含有一种毒蛋白“凝集素”，这种物质在成熟的或较老的豆角中最多。
The knife bean To eat beans beans contains toxic, because a poisonous protein "lectin", this kind of material in the mature or older than the beans.
即使在感染你的时候，感冒病毒也会发生变异，而且新的病毒毒株经常出现，以至于当制药商研制出针对其中一种变异的疫苗时，血清已经过时了。
Colds mutate even while they're infecting you, and new strains pop up so often that by the time drug-makers create a vaccine against one variation, the serum is already out of date.
据说，他曾经中了毒，但吃了一种开白花的常绿植物的叶子后得救了。
It is said that he was once poisoned but was saved by eating some leaves of an evergreen plant with white flowers.
大黄是一种很不错的植物——此外它的叶子中含有一种不知名的毒，它们通常含有腐蚀性酸。
Rhubarb is something of a wonder plant -in addition to an unknown poison in its leaves, they also contain a corrosive acid.
大黄是一种很不错的植物——此外它的叶子中含有一种不知名的毒，它们通常含有腐蚀性酸。
Rhubarb is something of a wonder plant - in addition to an unknown poison in its leaves, they also contain a corrosive acid.
但是自然选择是一种强大的力量，而如果疾病的传播意味着这些药物将被广泛使用的话，一种具有抗药性的病毒毒株可能将轻易地进化出来。
But natural selection is a powerful force, and if the spread of the disease means they have to be used widely, a resistant strain of the virus could easily evolve.
经过一段时间，形成一种混合物，它包含实验室毒株的内部成分以及大流行毒株的外部成分。
After a while, a hybrid is formed which contains the inner components of the laboratory strain, and the outer components of the pandemic strain.
今天，我们知道一种具有大流行强大潜力的病毒，即H1N1病毒的新毒株，从世界上另一边的另一个来源产生。
Today, we know that a virus with great pandemic potential, the new strain of the H1N1 virus, has emerged from another source on another side of the world.
在1997年以前，西尼罗河病毒并未被认为对鸟类具有致病性，但就在那时，以色列出现了一种能够导致多种鸟类出现脑炎和麻痹症状继而死亡的毒力更强的毒株。
Before 1997 WNV was not considered pathogenic for birds, but at that time in Israel a more virulent strain caused the death of different bird species presenting signs of encephalitis and paralysis.
首先，这段经文告诉我们有两种东西不是从上帝而来的智慧。它不会由苦毒的嫉妒和分争所鼓动。
First of all, this passage tells us two things God's wisdom is not. It will not be motivated by bitter envy or selfish ambition.
肉毒素是A型肉毒杆菌的商业名称。它是一种由肉毒梭菌产生的神经毒素，能阻止是肌肉活动的神经信号。
Botox, the commercial name of botulinum toxin type a, is a neuro-toxin produced by Clostridium botulinum. It can block the signals that make your muscles move.
今年的季节流感疫苗含有三种流感病毒——一种甲型（H3N2）病毒，一种与猪流感毒株无关的常规季节性甲型（H1N1）病毒，以及一种乙型病毒。
This year’s seasonal vaccine contains three influenza viruses — one A (H3N2) virus, one regular seasonal A (H1N1) virus unrelated to the swine flu strain and one B virus.
中了群体之毒的人会逃避责任，丧失智慧和道德，陷入一种狂乱的兽性无大脑状态。
The crowd-intoxicated individual escapes from responsibility, intelligence and morality into a kind of frantic, animal mindlessness.
以难以置信的色彩变化闻名的草莓毒蛙能变化出30种不同的外观。
Known for its incredible variations in colour, the strawberry poison frog is capable of up to 30 different appearances.
人们经常将毒堇与水毒堇混淆，水毒堇是另外一种植物，它只会导致抽搐。
The hemlock is often confused with the water hemlock a different plant altogether, causes convulsions.
地点 ：希拉毒蜥是一种耐力极好、会咬人的动物，它生长在美国西南和墨西哥北部沙漠地带，而它的近亲墨西哥毒蜥通常栖息在墨西哥南部茂密的丛林中。
Location: The Gila monster is found in the desert areas of the southwestern United States and northern Mexico. The Mexican Gila monster is normally found in the dense forests of southern Mexico.
这两种抗体具有广泛的中和性，也就是说对目前发现的数千种HIV毒株中的大部分都适用。
They are 'broadly neutralizing,' which means they can target most of the many thousands of HIV strains.
专家提醒：排毒餐是一种营销幌子。人体有天然排毒功能，无需借助任何价格不菲的饮品或者食物。
Expert: detox is a marketing myth: our bodies detox naturally without any help from pricey drinks or diets.
另一种蛋白质负责人类身体对毒葛毒素的响应；刺激性极强，并通常无害。
Another protein is responsible for the human body's response to the poison in poison-ivy; extremely irritating, but not normally harmful.
他们坚信手机是“一种致癌物质”，将其危害等同于铅毒、发动机排气及三氯甲烷。
They determined that mobile phones are a " possible carcinogen, " listing use of the devices in the same category as lead, engine exhaust and chloroform, CNN reported.
抗衰老产业逐渐延伸到玻尿酸的使用。 玻尿酸是从一种致死的肉毒杆菌中提炼而出，而肉毒杆菌一开始是被用来治疗肌肉失调的。
The industry spread to include the use of Botox, derived from the deadly botulinum toxin and originally intended to treat muscle disorders.
研究人员们进行了两组实验，其中一组由31名女士组成，用肉毒杆菌毒素和瑞蓝（玻尿酸）比较，后者是一种皮肤填充剂；另一组由56名女士和39名男士组成，他们均使用了能够放大肌肉信号的胶体。
Researchers conducted two experiments, one of 31 women, comparing Botox with Restylane, a dermal filler, and the other of 56 women and 39 men, using a gel that amplifies muscular signals.
研究人员们进行了两组实验，其中一组由31名女士组成，用肉毒杆菌毒素和瑞蓝（玻尿酸）比较，后者是一种皮肤填充剂；另一组由56名女士和39名男士组成，他们均使用了能够放大肌肉信号的胶体。
Researchers conducted two experiments, one of 31 women, comparing Botox with Restylane, a dermal filler, and the other of 56 women and 39 men, using a gel that amplifies muscular signals.
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