phycovirus

例句：

1. 1.Phytoplankton viruses are responsible for the decline of many marine species.
   浮游植物病毒是许多海洋物种数量下降的原因。
2. 2.The discovery of phycoviruses has shed new light on the ecology of the ocean.
   发现藻病毒为海洋生态学带来了新的启示。
3. 3. Phycoviruses have been found to be a significant factor in the decline of coral reefs.
   藻病毒被发现是珊瑚礁衰退的一个重要因素。