A windless three-foot wave on the sea means

A windless three-foot wave on the sea surface means that under the direct blowing of the wind, the fluctuation on the water surface is called wind and waves.

There is no wind at sea, and the waves are three feet high. As the saying goes, there are three feet of waves on the sea without wind. The waves of the sea will never subside. Three feet without wind means that things will happen for no reason. "Three feet of waves without wind" is people's description of the ocean. We know that geographical waters are interlinked.

Once there is a storm, it will spread to other areas like a chain reaction, so even if the wind stops, the waves on the sea surface will not disappear immediately, and the waves in other waters will spread to the windless sea surface. So there is "three feet without wind" in the ocean. Changing situation: a metaphor for changing and turbulent situation; Change: Change is uncertain.

As changeable as the wind and cloud. Metaphor the situation is complex, rapidly changing and unpredictable. Evil is evil, arrogant and aggressive. The scorching sun refers to the cool sunshine. Explain the fierce sunshine. Here refers to the arrogance of the enemy. The sky is blue, which Taoism calls the first day of the East. The sky is full of blue clouds, which is called "the sky is blue".

Ocean fluctuation is one of the important forms of seawater movement. From the surface to the interior of the ocean, there are fluctuations everywhere. In the ocean, if the sea surface is wide, the wind speed is high, the wind direction is stable, and the blowing time is long, the waves must be very big, and the waves always roll on the ocean surface of the westerly belt in the northern and southern hemispheres; In the equatorial windless area and subtropical windless area in the northern and southern hemispheres, due to the weak wind and uncertain wind direction, the waves are generally small.

cause

About 5 billion years ago, some large and small nebulae separated from the solar nebula. They revolve around the sun while rotating. In the process of movement, they collided with each other, and some lumps combined with each other and gradually became the original earth. In the process of collision, the nebula shrinks sharply under the action of gravity, and the radioactive elements inside degenerate, which makes the primitive earth heat up continuously.

When the internal temperature reaches high enough, underground substances, including iron and nickel, begin to melt. Under the action of gravity, the weight sinks and tends to concentrate in the center of the earth, forming the core; Lighter ones float to form the crust and mantle. At high temperature, the water inside evaporates, rushes out with the gas and rises into the air. But because of gravity, they will not run away, but will only turn around the earth and become a circle of air and water.