Insects are fairly low down (on) the food chain.
在食物链中，昆虫是相当低的一级生物。
We had to move water by a chain pump because the electric pump had broken down.
抽水机坏了，只好用人工车水。
Further down the supply chain lie raw materials.
顺着供应链往下找，来到了原材料层。
Life is not to drag down the chain, but to spread my wings. - Hugo.
人生下来不是为了拖着锁链，而是为了展开双翼。——雨果。
When the chain breaks down, you get chaos feeding.
当链被打断后就要进行混合喂养了。
Luca: If I ever get off this chain, you're going down.
卢卡：如果我没有被这铁索绑着，你就死定了。
Each time you wanted to go up or down you had to pull a chain.
每次你想上去或是下来你都得拉一下链子。
Unfortunately, the giant food chain turned him down.
可惜的是，饮食巨头拒绝了他的提议。
Under some circumstances, traditional global supply chain may be turned upside down.
在某些情况下，传统的全球供应链甚至被颠倒过来。
She was broken down by a chain of events.
她被这一连串的事情打垮了。
Then someone cut the tree down with a chain saw.
然后有人用一个锯条锯断了这棵树。
Then someone cut the tree down with a chain saw.
然后有人用一个锯条锯断了这棵树。
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