真正的罪魁祸首是群发垃圾邮件的人。
当前这场危机的罪魁祸首好像是现代农业技术。
The main culprit in the current crisis seems to be modern farming techniques.
尽管经济衰退让一切变得更糟，但互联网才是罪魁祸首。
Although the recession made everything worse, the internet is the main culprit.
剑鱼、鲨鱼、方头鱼、新鲜的金枪鱼排和鲭鱼是罪魁祸首。
Swordfish, shark, tilefish, fresh tuna steak, and king mackerel are the main culprits.
这种情况似乎是由许多因素的累积的结果，而大气污染物是主要的罪魁祸首。
The condition appears to result from the cumulative effect of a number of factors, with atmospheric pollutants the principal culprits.
再次强调，公路运输是罪魁祸首，因为仅公路运输就占了运输产生的二氧化碳排放量的84%。
Once again, road transport is the main culprit since it alone accounts for 84% of the carbon dioxide emissions attributable to transport.
将竭尽全力把罪魁祸首绳之以法。
Everything will be done to bring those responsible to justice.
一支乱扔的烟被指为引起这场火灾的罪魁祸首。
他晚上怎么能睡得香？他可是所有那些犯罪活动的罪魁祸首啊。
How can he sleep soundly at night? He's the one responsible for all those crimes.
手机通常被认为是许多事情的罪魁祸首，从视力差、头痛甚至到家庭火灾。
Mobiles are often believed to be the cause of a number of things from poor eyesight and headaches to house fires.
她还表示，移民是推高英国房价的罪魁祸首。
She also said immigrants were responsible for pushing up UK house prices.
最恶劣的罪魁祸首——星巴克咖啡——含有561卡路里的热量。
The worst offender—a coffee from Starbucks—had 561 calories.
一种观点是，像你说的那样，主要的天气模式如厄尔尼诺现象，才是罪魁祸首。
One idea is as you suggest that major weather patterns, something like El Nino, are responsible.
一些人把悲剧归咎于智能手机，然而事实上，人们自制力和自律性的减弱是罪魁祸首。
Some people blame the smart phone for the tragedy, yet in fact people's weakening self-control and self-discipline are to blame.
技术本身，以及它们的制造者，最容易被怀疑是造成我们注意力持续下降的罪魁祸首。
The technologies themselves, and their makers, are the easiest suspects to blame for our diminishing attention spans.
在一些专家和大众媒体中，最流行的解释之一是，过多的“屏幕使用时间”是罪魁祸首。
One of the most popular explanations, among some experts and the popular media, is that excessive "screen time" is to blame.
也许，如果南极洲附近的微生物真的是罪魁祸首，也许我们可以以某种方式加速这一过程。
Perhaps, if the microorganisms near Antarctica really are responsible, perhaps we can accelerate the process somehow.
然而，耕地被认为是对表层土壤造成严重损害的罪魁祸首，因为它清除了那些保护土壤不被吹走或冲走的植物。
However, plowing is blamed for causing severe damage to top soil by removing the plants that protect soil from being blown or washed away.
捐赠的牛奶可能是罪魁祸首：最近对老鼠的实验室研究表明，给老鼠喂食酪蛋白（一种牛奶蛋白）时，短暂接触过黄曲霉毒素物质的老鼠容易患肝癌。
The donated milk was probably to blame: recent laboratory research on rats has shown that rats briefly exposed to the substances aflatoxin tend to develop liver cancer when fed casein, a milk protein.
这一切的罪魁祸首就是甲状旁腺。
戒指，手表和长指甲都是罪魁祸首。
Rings, watches and long fingernails were the biggest culprits.
但多数情况下，细菌仍是罪魁祸首。
害怕有时是懒惰的罪魁祸首。
干旱，同样，作为罪魁祸首同样不可信。
代谢真的是罪魁祸首吗？
美联储是罪魁祸首吗？
进口增加是罪魁祸首。
同时，你也会知道谁是罪魁祸首。
同时，你也会知道谁是罪魁祸首。
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