Protesters in the southern city of Knoxville, Tennessee demanded labeling of genetically modified food products.

田纳西州南部城市诺克斯维尔的抗议者要求在转基因食品包装上标明其类别。

Well, I think it's a great idea to have genetically modified foods.

我认为转基因食物是个很棒的主意。

So do European fears of genetically modified food or nationalistic opposition to cross-border mergers.

欧洲人对转基因食品的恐惧以及出于民族主义而对跨国兼并的反对也是这种情绪的反应。

One question, how can you know if you're eating genetically modified foods and feeding them to your family?

一个问题是你怎么能知道自己是否吃转基因食物并且你的家人也在吃?

Opponents of genetically modified foods – including the environmental group Greenpeace – do not like what the scientists are doing.

基因改造食品的反对者——包括环保组织绿色和平组织——不喜欢这些科学家们正在进行的工作。

GM food has been researched and experimented with for many years but do you know when the first genetically modified food was first sold commercially?

多年来，人们一直在进行转基因食物的研究和实验，但是你知道第一次进行转基因食物的商业销售是在哪一年吗？

Europe, for example, has a more cautious approach to approving new products, such as genetically modified foods, and that has caused trade friction in the past.

比如，欧洲在批准诸如转基因食品等新产品方面就比较谨慎，该问题在过去曾产生过贸易摩擦。

In the mid-1990s there was a new big, controversy that came in, wasn't there, about genetically modified foods: foodstuffs containing genetically altered plant or animal material.

20世纪90年代中出现过一个具有争议的事件不是吗？是关于转基因事物的：食物里面含有转基因植物或是动物。

Unlike genetically modified foods, genome-edited plant varieties are considered just as safe as varieties improved using conventional methods because no outside gene is introduced during the process.

和转基因食品不同，基因编辑植物被认为和用传统方法改良的新品种一样安全，因为在基因编辑过程中没有加入外来基因。

Where did you get this aversion to genetically modified foods?

Nicky：你对转基因食品的厌恶是从哪里来的？

The United States is the world's biggest producer and consumer of genetically modified food, and the U.S.-based Monsanto company is the world's largest developer of genetically altered crops.

美国是全世界最大的转基因食品生产国和消费国，总部在美国的孟山都公司是全世界最大的转基因作物开发者。

Campaigners have challenged the safety of genetically modified foods.

【safety】活动参加者对转基因食品的安全性提出了质疑。

Indeed. But it's now time to reveal the answer to today's question. Earlier I asked you if you knew when the first genetically modified food was first sold commercially.

没错。不过我想现在我们该揭晓今天问题的答案了。先前我问你你知不知道人类第一次将转基因食物进行商业化销售的时间。

This episode is a dialog between Ralph and Nicky, about eating what is called genetically modified foods.

这一集是拉尔夫和尼基之间的对话，内容是关于吃所谓的转基因食品。

A biologist, he had successfully predicted the birth defects associated with long-term consumption of genetically modified foods.

作为一名生物学家，他成功预测了与长期食用转基因食品相关的出生缺陷。

There has been widespread public debate over the introduction of genetically modified food.

【debate】对引入转基因食品有着广泛的公开讨论。

Do you worry more that maybe there haven't been enough tests on genetically modified foods, that there might be side effects that could lead to cancer, or could maybe ruin the naturally life cycle of the plants?

你不担心如果转基本食物没有进行足够的试验，可能会产生副作用吗，可能会导致癌症，或者破坏植物的自然生命周期？

Mutation is part of the way that the world works in terms of DNA and genes, but here Ralph is using the word as a negative, as a criticism of this genetically modified food.

突变是世界在 DNA 和基因方面运作方式的一部分， 但拉尔夫在这里使用这个词作为否定词，作为对这种转基因食品的批评。

Ralph says, " And it may contain strange mutations as part of its genetic makeup that they don't tell you about." Ralph is saying that these genetically modified foods are dangerous because they may contain strange mutations.

拉尔夫说：“而且它可能包含奇怪的突变，作为其基因构成的一部分，他们不会告诉你。”拉尔夫说这些转基因食品很危险，因为它们可能含有奇怪的突变。