And what they're finding is that even trace amounts of oil and dispersants can be highly toxic to phytoplankton, which is very bad news, because so much life depends on it.
他们所研究的是 跟踪石油和在植物病理学上 有高度毒性的化油剂的数量， 这是个非常坏的消息， 因为有许多的生命以此为生。