Li Testing the Sea

The meaning of the word is derogatory, but it is not necessarily the case; if you take a drop of sea water and measure it, you will know that the sea water is polluted and the living creatures are in danger. Although Li Chai doesn't know its depth, he knows its taste. As for using a tube to peer into the sky, it is even more profound. Astronomy has discovered the "black hole" that the planet is sucked into with the help of the "tube" of the optical astronomical telescope. The surprising statement is: "The infinite black hole is the universe itself." Moreover, we have also observed the birth of stars - or the entire process of breaking away from the dense nebula and being buried in the hole. It can be seen that the gravity of the "black hole" is so powerful that it is unimaginable. Another discussion: Nuwa mended the sky, cut off the legs of the turtle and stood on the four poles. Or the Jingwei bird fills the sea with a stone in its mouth. It has been passed down from ancient times to the present, and its spirit will last forever. So it's not a bad idea to use Li to clean the sea, if you persevere. Purpose: record the history of historical development