1, "Protect the marine ecology and give me back the blue sea and blue sky." Protecting the ocean is protecting human beings. Only a clean ocean can make people have a better future. Let's act together and work hard to protect the marine ecology!

2. "Ocean, our blue home." The ocean is one of the most important resources on the earth, but it has been seriously polluted and destroyed in recent years. Everyone needs to take action to protect this blue home. Only through joint efforts can the ocean be revived. Work together for the future of the ocean!