The barriers are lethal to fish trying to swim upstream.
这些障碍物对于逆流而上的鱼来说是致命的。
The shale was deposited in an oxygen-deficient lake where lethal gases sometimes bubbled up and killed animals.
页岩沉积在一个缺氧的湖泊里，那里有时会冒出致命的气体，杀死动物。
The main character is often unknowingly lured into this potentially lethal predicament by a seductive femme fatale, as in Original Sin.
就像在《原罪》中一样，主角经常会在不知不觉中被一位性感的蛇蝎美人引诱到这个可能致命的困境中。
In the warm enclosed waters of farm ponds, conditions are very likely to be lethal for fish when insecticides are applied in the vicinity.
当杀虫剂在农场附近池塘的温暖封闭水域使用时，环境很可能对鱼是致命的。
From the Greeks to the Great War, its job was simple: to struggle with lethal diseases and gross disabilities, to ensure live births, and to manage pain.
从希腊时代到第一次世界大战，它的工作很简单：与致命疾病和严重残疾作斗争，确保生育以及减少病痛。
Apart from engendering widespread ecological disorders, pesticides have contributed to the emergence of a new breed of chemical-resistant, highly lethal superbugs.
除了造成广泛的生态失调外，农药还促成了一种新型的具有抗化学性的、高度致命的超级细菌的出现。
It is lethal to the cell when expressed without its inhibitor barstar.
在没有其抑制剂巴斯塔的情况下表达对细胞具有致命性。
Smallpox is one of the most lethal diseases in history.
天花是史上最致命的疾病之一。
It is Italy's most lethal earthquake for almost 30 years.
这是意大利三十年来最严重的地震。
Commercial fishing routinely ranks as America's most lethal job.
商业捕渔一直被视为是美国最危险的工作。
However, even if it does, the [A] mutation need not be lethal. [1]
但是，即使突变破坏了整个结合位点，突变A 也未必就是致命的。
The virus did not mutate during the pandemic to a more lethal form.
在大流行期间这一病毒没有突变为某种更致命的形式。
Until testing becomes universal, Mexico’s roads will remain lethal.
在驾驶考试普及之前，墨西哥的道路仍是致命的。
For many gulf coast gulls, terns and cormorants, this has been a lethal mistake.
对于生活在海岸边的海鸥、燕鸥和鸬鹚来说，选择错误的降落地点将带来致命的后果。
Adjusting public perceptions to suit a far less lethal virus has been problematic.
调整公众对远没有那么致命病毒的看法一直是个问题。
That effort proved being lethal to the PSP - Personal Software Products - division at IBM.
这项努力后来证明对于IBM的个人软件产品（PSP）部门来说是致命的。
The WHO update shows continued progress on addressing the lethal combination of TB and HIV.
世卫组织最新资料显示，在处理致命的结核病和艾滋病毒合并感染方面不断取得进展。
Studies have detected no signs that the virus has mutated to a more virulent or lethal form.
经研究未发现迹象说明病毒已突变为更具毒性或更致命的形式。
Even if early man could not see virus or bacteria, he was confronted with their lethal impact.
即使早期人类无法见到病毒或细菌，也面临着其致命影响。
The cells also began to digest themselves, after the curcumin triggered lethal cell death signals.
姜黄素触发致命细胞死亡信号之后，细胞开始自身消化。
Some activities, such as taking lethal risks for peace in Burundi, are almost universally admired.
诸如冒着致命的风险为布隆迪和平奔波努力这样的一些行为几乎得到了普遍的赞赏。
We were expecting, and fearing, that the highly lethal H5N1 avian virus would spark the next pandemic.
我们预期，也担心高度致死性H5N1禽流感病毒将触发下一次大流行。
The danger of resistance stems from the malaria parasite's ability to evade the lethal action of drugs.
耐药性的危险来自疟原虫躲避药物致命作用的能力。
Among the 2, 900 known snakes, few are dangerous, let alone lethal, to humans, but prejudices run deep.
在已知的2900种蛇中，很少是危险的，能使人致命的就更少了，但人类对蛇的偏见依然很深。
Those tiny black dots are nanobots delivering a lethal blow to a cancerous cell, effectively killing it.
图中的小黑点就是给癌细胞以致命打击，有效杀死癌细胞的纳米机器人。
Officials also want to keep a close eye out for possible mutations that might make the virus more lethal.
官员们还将密切关注可能出现的变异，它也许会让这种病毒更具致死性。
Officials also want to keep a close eye out for possible mutations that might make the virus more lethal.
官员们还将密切关注可能出现的变异，它也许会让这种病毒更具致死性。
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