food chains

基本解释

But if the technique can be used more widely, it may be possible to reconstruct the food chains of ancient oceans.
但是如果该项技术能够得到更加广泛的应用，那么重建古代海洋生物的食物链也许将成为可能。
It now seems, though, that such methane-based food chains may stretch farther up the tree of life than mere invertebrates—and may have done so for millions of years.
现在看起来这些以甲烷为基础的食物链和纯粹的无脊椎动物相比，更可能会延长生命树，可能这种情形已经持续了数百万年。
Most, but not all. Some creatures are part of food chains that begin with methane gas which seeps from the Earth’s interior in particular places, frequently at the bottom of the sea.
绝大部分生物都是食物链中的一部分，它是以地球内部特殊部位缓慢渗出的甲烷为第一营养级，而甲烷气体经常在海洋底部出现。

Yum Brands owns other food-related chains like Taco Bell.
百胜餐饮集团还拥有其他食品相关公司,像塔可钟快餐店
耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Pacific Andes also targeted the U.S. market, offering fast-food chains and wholesalers credit terms.
FORBES: Blue Waters Gray Areas
Click here to see the top 10 fast-food chains with the most restaurants overseas.
FORBES: The American Fast Food the World Loves: Top Global Brands
With the American economy still sluggish, many fast-food chains have focused recent expansion overseas.
FORBES: The American Fast Food the World Loves: Top Global Brands

The food chain is a series of living things which are linked to each other because each thing feeds on the one next to it in the series.

食物链
This study demonstrated that short-term fertilizer application affected the entire food chain in the tea plantation ecosystem.6.
研究结果证明,施肥对茶园生态系统的整个食物链产生深刻的影响。
生物学
食物链