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1·Police collared the culprit as he was leaving the premises.

罪犯正离开现场时，警察逮住了他。《牛津词典》

2·The police followed home the clue and finally caught the culprit.

警察根据线索追根到底，终于抓住了这个罪犯。《新英汉大辞典》

3·The main culprit in the current crisis seems to be modern farming techniques.

当前这场危机的罪魁祸首好像是现代农业技术。《牛津词典》

4·About 10% of Japanese teenagers are overweight. Nutritionists say the main culprit is increasing reliance on Western fast food.

约10%的日本青少年都超重。营养学家们称主要的原因是他们越来越依赖西方快餐。《柯林斯英汉双解大词典》

5·Financial needs aren't the only culprit for the unretirement trend.

财务需求并非引发“不退休”趋势的唯一原因。

6·Although the recession made everything worse, the internet is the main culprit.

尽管经济衰退让一切变得更糟，但互联网才是罪魁祸首。

7·Once again, road transport is the main culprit since it alone accounts for 84% of the carbon dioxide emissions attributable to transport.

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%。

8·He gave the name of the chief culprit.

他供出了主犯的名字。《新英汉大辞典》

9·Email is the biggest culprit.

电子邮件是最大元凶。

10·Psychosis: culprit or scapegoat?

精神病：罪魁祸首还是替罪羊？

罪犯

1·The police followed home the clue and finally caught the culprit.

警察根据线索追根到底，终于抓住了这个罪犯。《新英汉大辞典》

2·Yet one culprit is not only rarely seen as an offender, but is also being cosseted and protected.

然而，由一个罪犯不仅没被看成是罪犯，反而备受宠爱的被保护了起来。

3·The main culprit, LDL (for low-density lipoprotein), is the body's oil truck, circulating in the blood, delivering fat and cholesterol to the cells.

主要的“罪犯”是低密度脂蛋白胆固醇，它是身体的运油车，在血液里向细胞传输脂肪和胆固醇。

4·In the past few years, a new potential culprit has emerged: gut bacteria.

在过去的几年里，一种新型的潜在罪犯出现了：肠道细菌。

5·Sometimes the culprit will have left obvious tracks and his work will be downright clumsy.

有时候罪犯会留下明显的痕迹，简直是笨得可以。

犯人

1·He may not be the last culprit to serve time in prison.

他也许不是最后一个在狱中服刑的犯人。

2·But I just wanted to let you know, they caught the culprit.

不过我只是来告诉你，他们抓到了犯人。

3·He begins to patrol that area of the library, but ends up being a culprit himself.

于是他开始在这片地方巡逻，最后自己却也成了犯人。