大学生环保主题英文演讲稿杜绝塑料全英文 Stop Plastic Pollution Good morning, ladies and gentlemen. It is my great honor to give a speech here. Today, my topic is about plastics which are closely related to our daily life. To start with, there is a question for you. Have you ever eaten plastics? I think most of you would say No. Of course, no one would eat plastics directly, but it does not mean that there are no plastics in our bodies. In a study presented at a prestigious global gastroenterology confere
