1, the water drops converge into a trickle, and the trickle converges to the river.
2. The water drops converge into a trickle, and the trickle flows slowly forward.
3. Water drops converge into streams, and streams converge into rivers.
4. The water drops converge into a trickle, gurgling to the low-lying, happily converging into a river, rushing to the sea, and finally turning into clouds, condensing into raindrops, moistening the earth and fulfilling their mission.
5. Water drops converge into a trickle, a trickle into a stream, a stream into a river, and a stream into a lake.
6. Water drops converge into streams, and streams converge into rivers. Rivers finally merge into the sea, and gradually become huge, which is mapped into people's social life, that is, unity is strength.
7. Water drops converge into a trickle, a trickle converges into a river, and a river converges into a river and a sea. Seemingly insignificant things, if they continue to develop, can also erupt into great power.