Plankton play a vital role in the food chain.
浮游生物在食物链中起着重要的作用。
All of nature participates in the food chain, except humanity.
大自然的所有部分都参与食物链，除了人类。
In the environment, dioxins tend to accumulate in the food chain.
在环境中，二恶英容易聚积在食物链中。
More research should also be done into pathogen survival in the food chain.
在食品生产链条各环节存活致病菌状况也需要进一步的研究。
They replaced other minute organisms as a food source in the major marine food chain.
它们取代了其他微小生物，并成为了主要海洋食物链的食物来源。
The Marine invertebrates are important links in the Marine food chain.
这种海洋无脊椎动物是海洋生物链中重要的一环。
McDonald's is now the second largest US fast food chain in China after KFC.
现在，在我国麦当劳公司继肯德基之后的第二大美国快餐连锁店。
Yet the original Silicon Valley remains secure in its place atop the high-tech food chain.
硅谷却还是在它原先的土地上继续经营它的高科技食物链。
Competition among the species is a continuing cycle in the animal food chain.
在动物的食物链上，不同种群之间的竞争是一个永不停息的循环。
In its existent space, it is the topmost food chain.
在它生存的空间里，它是食物链最顶层。
I remember learning about the food chain in the 7th grade.
我记得在七年级学过有关食物链的知识。
The new business going to be started in the UAE is a new food chain.
新业务就是在阿联酋开展一个新的餐饮连锁店。
The new business going to be started in the UAE is a new food chain.
新业务就是在阿联酋开展一个新的餐饮连锁店。
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