chain base index [统计] 环比指数
long-chain base 长链碱基
chain base period [统计] 环比基数
Pawn chain base 兵链的根
long chain base 长链碱
chain base growth rate 环比增长速度
single base chain extension 如单碱基链延伸法 ; 单碱基链延伸法
chain-locked base 链锁基部
These tiny things form the base of the food chain and play an important role in the global carbon cycle.
这些微小的东西构成了食物链的基础,并在全球碳循环中发挥着重要作用。
"It's very disturbing to think about the potential implications of a century-long decline of the base of the food chain," said lead author Daniel Boyce, a Marine ecologist.
“考虑到食物链基础长达一个世纪的减少所带来的潜在影响,这非常令人不安,”研究报告的主要作者,海洋生态学家Daniel博伊斯说。
He describes himself as a grass farmer because grass is the base of the food chain of his farm animals.
他将他自己描述成一个“草农”,因为草是他农场动物食物链中最基础的原料。
"It could be taken up by crustaceans like shrimp crabs, things like that which are the base of the food chain and that could be passed up to fish and then mammals and the toxins could be concentrated and that could be harmful to animals that feed on these smaller organisms."
VOA: standard.2010.05.09
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