1. 8手拉手保护海洋环境，心连心传承海洋文明。

1. Hold hands to protect the marine environment, and with hearts connected, pass on the civilization of the sea.

2. 海洋之美，别让污染毁了它

2. The beauty of the ocean, don't let pollution destroy it.

3. 科技兴海，发展蓝色经济

3. Boosting the sea with science and technology, developing the blue economy.

4. 地球上大部分都是海洋，地球是我们的家园，为了我们赖以生存的家园，我们要保护海洋。

4. The majority of the Earth is covered by oceans, and the Earth is our home. In order to protect our home where we depend on for survival, we must safeguard the oceans.

5. 让我们倡导可持续海洋发展，创造美好生态!

5. Let us promote sustainable marine development and create a beautiful ecological environment!

6. 让保护海洋成为我们的生活方式。

6. Let protecting the ocean become our way of life.

7. 尊重镜子的反射带来的想象的海洋

7. Respect the ocean of imagination brought by the reflection of the mirror.

8. 拥抱海洋，感谢海洋，善待海洋。

8. Embrace the ocean, thank the ocean, and treat the ocean kindly.

9. 保卫蓝色国土，维护海洋权益。

9. Defend the blue homeland and uphold marine rights.

10. 小手牵大手，共护海洋生态!

10. Hold hands and protect the marine ecosystem together!

11. 科学发展统领，促进海洋和谐。

11. Guided by scientific development, promote the harmony of the ocean.

12. 污染海洋的千指，呵护海洋的千赞。

12. The thousands of fingers polluting the ocean, the thousands of praises nurturing the ocean.

13. 缔造海洋美好，创造美好家园

13. Creating a beautiful ocean, building a beautiful home.

14. 我们的责任是保护海洋的生态系统

14. Our responsibility is to protect the marine ecosystem.

15. 爱护海洋，保护自然!

15. Love the ocean, protect nature!

16. 鸟儿渴望洁净的天空，人类渴望绿色的家园，保护蓝色大海。

16. Birds long for clean skies, humans yearn for a green homeland, and we protect the blue oceans.

17. 海洋宣传日:一天的提醒，一生的行动

17. Ocean Awareness Day: A day of reminder, a lifetime of action

18. 保卫海洋国土，维护海洋权益。

18. Protect the territorial seas and safeguard maritime rights.

19. 养护海洋生物资源·建设海洋生态文明

19. Conservation of marine biological resources · Construction of marine ecological civilization

20. 海洋犹如母亲的乳汁，哺育着我们，我们应该保护她。

20. The ocean is like the mother's milk, nourishing us, and we should protect her.

21. 海洋是我们的家，珍惜海洋保护家

21. The ocean is our home, cherish and protect it.

22. 海为画世界，人在城中行。

22. The sea is the world of painting, and people wander in the city.

23. 珍惜海洋、绿色发展、共享美好家园!

23. Cherish the ocean, promote green development, and share a beautiful homeland!

24. 回归美人鱼一个干净的大海，让他们生活得更幸福。

24. Return to a clean sea for the mermaids, so that they may live happier.

25. 让我们倡导绿色海洋!

25. Let's advocate for a Green Ocean!

26. 污染海洋千夫指，关爱海洋万人颂。

26. The ocean pollution is pointed out by a thousand fingers, while caring for the ocean is praised by ten thousand voices.

27. 地球大部分是海洋，地球是我们的家园，为了我们生存的家园，我们要保护海洋。

27. The majority of the Earth is covered by oceans. The Earth is our home, and in order to protect our home where we live, we must safeguard the oceans.

28. 保护海洋，为自己的未来打造美好的家园

28. Protect the ocean, build a beautiful home for your future.

29. 保护自然，回归本真。

29. Protect nature, return to the essence.

30. 让我们倡导低碳环保的海洋文化!

30. Let's promote a low-carbon and environmentally friendly ocean culture!

31. 保卫海洋国土，保护海洋资源，建设环境友好型社会。

31. Safeguarding marine territorial sovereignty, protecting marine resources, and building an environmentally friendly society.

32. 爱海护海用海;为你为我为他

32. Love the sea, protect the sea, use the sea; for you, for me, for him.

33. 保护碧水蓝天，共建绿色家园。

33. Protect clear waters and blue skies, jointly build a green homeland.

34. 关注海洋，做环保先锋

34. Focus on the ocean and be a pioneer in environmental protection.

35. 爱我蓝色国土，走和平发展道路。

35. Love my blue homeland, and walk the path of peaceful development.

36. 垃圾是人类创造的，也是海洋的敌人

36. Waste is created by humans and also the enemy of the ocean.

37. 为了地坏上的生命?拯救我们的海洋?我们要保护好海洋!

37. For the life on Earth? Save our oceans? We must protect the oceans!

38. 爱护动物光荣，虐待动物可耻!

38. It is glorious to protect animals, and it is disgraceful to abuse them!

39. 尊重海洋，珍爱自然!

39. Respect the ocean, cherish nature!

40. 污染海洋环境，害人害已保护海洋环境，持续发展破坏环境就是自掘坟墓

40. Polluting the marine environment is harmful to both people and the environment. Protecting the marine environment and developing continuously at the expense of the environment is like digging one's own grave.

41. 让我们一起行动，回家碧水蓝天。

41. Let's take action together and return clear waters and blue skies to our hometown.

42. 动员起来，为拯救我们的地球掀起一场环境革命。?>

42. Mobilize and ignite an environmental revolution to save our planet.

43. 保持海洋清洁，保持地球平衡。

Certainly, the translation of "43. 保持海洋清洁，保持地球平衡。" to English is: 43. Keep the oceans clean, maintain the balance of the Earth.

44. 利用科技，推动海洋经济发展

44. Utilize science and technology to promote the development of the marine economy