chain of transformers

• 营养链,食物链

chain of transformers的用法和样例：

例句

1. An insect eating a leaf is a chain of one.
   昆虫吃树叶就是一条食物链的一环。
2. Plankton is at the bottom of the marine food chain.
   浮游生物处于海洋食物链的最底层。