the sea floor短语⁴⁴⁸³⁶ 例句 The use of dispersants reduces the chances of direct exposure to oil by birds, fish, sea animals and everything ashore, but it may increase the risks for things on the sea floor in some circumstances. 使用分散剂减小了油污直接与鸟类，鱼类，海生动物和岸生动植物接触的可能性，但是在某些条件下，它却可能增加对海面生物的风险。 yeeyan