VOA慢速英语:科学家发明新方法来对抗赤潮

algae - n. simple plants that have no leaves or stems and that grow in or near water

ozone - n. a form of oxygen that is found in a layer high in the earth's atmosphere

parasite - n. an animal or plant that lives in or on another animal or plant and gets food or protection from it

seaweed - n. a type of plant that grows in the sea

strand - v. to cause (something, such as a boat or a sea animal) to become stuck on land