Burger king is not the first fast food chain to offer meatless patties.

汉堡王不是第一家提供素食汉堡的快餐连锁店。

All of the energy in earth's food chains comes from the sun.

所有食物链里涉及到的能量都来源自太阳。

If their DNA gets into Earth's food chain, our entire species could be sterilized.

如果它们的基因进入地球食物链，我们全部的物种都可能绝育。

In such a frugal environment, the pika's farming helps to kick start the food chain.

在如此俭朴的环境，鼠兔的耕作有助于推动整个食物链。

Ants are vital to the ecosystem, spreading seeds, supporting the food chain as both predators and prey.

蚂蚁对生态系统至关重要，它们传播种子，支持食物链，既是捕食者也是猎物。

Twice a day, they take sea surface temperatures to look for changes that might affect the food chain.

每天，他们要测试两次水表温度，看看可能影响到食物链的一些变化。

Yeah. It's just so difficult to stay competitive when there so many fast food chains in the States.

是啊。如今美国有这么多的快餐连锁店，想一直保持较好的竞争力可不容易啊。

Brazilian peppertrees blocked out the sun, water hyacinths clogged the rivers, and brown anole lizards upset the food chain.

巴西胡椒树遮挡了阳光，水葫芦堵塞了河流，棕色变色蜥蜴扰乱了食物链。

When consuming any cold chain food and imported fruits, you should, first of all, choose regular supermarkets or markets.

在消费任何冷链食品和进口水果时，首先应该选择正规超市或市场。

Write the words to complete the food chains.

写下单词来完成食物链。

Those particles then enter the food chain and impact entire ecosystems, he added.

他补充说，这些颗粒然后进入食物链并影响整个生态系统。

These toxins then enter the food chain when any aquatic life accidentally ingests the plastic.

当任何水生生物意外摄入塑料时，这些毒素就会进入食物链。

The shrinking  of any population could have unforeseeable and irreversible consequences on local  food chains.

任何人口的减少都可能对当地食物链产生不可预见和不可逆转的后果。

When glacial ice melts, caving icebergs release sediments and particles into the seawater, initiating our ocean's food chain.

当冰川融化时， 冰山崩塌将沉积物和颗粒释放到海水中，从而启动了我们海洋的食物链。

This has generated concern that plastic is entering the food chain, though fish and other sea life which ingest the smaller fragments.

这引起了人们对塑料正在进入食物链的担忧， 尽管鱼类和其他海洋生物会摄取较小的碎片。

These birds feed exclusively on krill, the tiny shrimp-like creatures that form the backbone of the entire ocean food chain, and their condition gives a picture of the overall health of the region.

这些企鹅只以磷虾为食，而磷虾这种迷你虾一样的生物堪称挑起了整个海洋食物链的顶梁柱，它们的状况便能反映出该地区生态的整体健康状况。

An estimated 10 million tons of plastic waste end up in the ocean each year, mostly in the form of microplastic fragments that pollute the food chain.

据估计，每年有 1000 万吨塑料垃圾最终流入海洋，其中大部分以污染食物链的微塑料碎片的形式存在。

Young adults " really care about the planet, " says John Brunnquell, president of Egg Innovations. " They are absolutely altering the food chain beyond what I think even they understand what they're doing."

约翰·布伦奎尔说，年轻人“真的很关心这个星球”，他们改变了食物链，超出了我认知的范围，甚至他们也明白自己在做什么。"

You've probably heard of some of those competitors because the fast food industry took off from there, spawning dozens of hyper successful fast food chains that operate in more than 100 countries across the world.

你可能听说过其中的一些竞争对手，因为快餐行业是从那里起飞的，白色城堡催生了几十家超级成功的快餐连锁店，在全球 100 多个国家开展业务。

IMMERSED IN THE COMMOTION OF A BUSY WORK DAY -- APART FROM THE CHADOR-COVERED WOMEN AND LACK OF WESTERN FAST FOOD CHAINS -- TEHRAN SEEMED MUCH LIKE ANY CITY IN THE DEVELOPING WORLD.

沉浸在忙碌工作日的喧嚣中——除了披着长袍的妇女和缺乏西方快餐连锁店——德黑兰看起来很像发展中国家的任何城市。