On average, seven middle-class Nigerians and oil field workers are kidnapped and held for ransom every day.

平均每天有7名尼日利亚中产阶级和油田工人遭到绑架和勒索。

These pollutants can be carcinogenic, harm the health of field workers, and damage surrounding ecosystems.

这些污染物可能致癌，危害现场工作人员的健康，并破坏周围的生态系统。

You know, people that come to the US in search of jobs as laborers, or field workers, dish washers.

你知道，来美国找工作的人是劳工、田野工人、 洗碗工。

In the Southern states, however, most of the field workers were slaves; one out of every four families 40 slaves.

然而，在南方各州，大多数田野工人都是奴隶。每四个家庭就有一个有40个奴隶。

In the Southern states, however, most of the field workers were slaves; one out of every four families 40( G )slaves.

然而，在南方各州，大多数田野工人都是奴隶。每四个家庭中就有一个有 40(G) 奴隶。

I've also trained teams of graduate students as field workers and taken them out to street corners and Denver's worker center El Centro Humanitario.

我还培训了研究生团队作为现场工作人员，并将他们带到街角和丹佛的工人中心 El Centro Humanitario。

The youngest field workers they could recruit were over 50 years old, and the cost of hiring laborers to apply fertilizers, herbicides, and pesticides was rising year after year.

他们能招到的最年轻的田间工人都超过 50 岁了，雇佣工人施肥、除草和喷洒农药的成本年年攀升。

So, most of these plantations were pretty large, they often had more than 200 slaves, and many of the field workers— in some cases, a majority— were women.

因此，这些种植园中的大多数都相当大，他们通常有 200 多名奴隶， 而且许多田间工人——在某些情况下， 占多数——是女性。

His hoarse, smoky voice, cloud covering the moon as the saying went, was listened to everywhere, by farmers in fields, workers commuting and, especially, by taxi drivers, to while the traffic away.

“在一个月黑风高的夜晚”，当单田芳那沙哑浑厚的声音响起，无论身在何处，田地里劳作的农夫，上下班的工人，尤其是那些路上的出租车司机们，都会静下来收听他的节目。