How to write the second line of scientific research to compose a song of anti-epidemic

We are united to show our Chinese power. Couplets, also known as antithetical couplets, door pairs, spring posts, spring couplets, couplets, couplets, etc., are dual sentences written on paper, cloth or carved on bamboo, wood, or pillars. Scientific research composes a song of anti-epidemic. The second line is that we are united as one to show the power of China. The couplets are neatly contrasted and harmonious. They are a unique Chinese art form with one word and one sound. Couplets are treasures of Chinese traditional culture.