同根派生 single celled相关词英汉例句Ultraviolet radiation may also damage marine life by killing one- celled plants called phytoplankton,which form the base of the ocean's food chain.紫外線輻射還可以通過殺死單細胞的浮遊植物來破壞海洋生命，這種浮遊植物是搆成海洋食物鏈的基礎。single celled更多例句