marine food chain的用法和樣例：
例句
- Plankton is at the bottom of the marine food chain.
浮游生物處于海洋食物鏈的最底層。 - Ultraviolet radiation may also damage marine life by killing one- celled plants called phytoplankton,which form the base of the ocean's food chain.
紫外線(xiàn)輻射還可以通過(guò)殺死單細胞的浮游植物來(lái)破壞海洋生命，這種浮游植物是構成海洋食物鏈的基礎。
