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Black English is black, and the pronunciation of black English is [bl? K], black English and American sounds are all [bl? K]. Black is defined as basically no visible light enters the visible range. Contrary to white, it means that all the light in the visible spectrum enters the visible range at the same time.

If the pigment absorbs all visible light in the spectrum and does not reflect any color light, the human eye will feel black. If the pigments of the three primary colors are mixed in a proper proportion, and the reflected colored light is minimized, the human eye will also feel black.

So black can be caused by insufficient light (night) or by absorbing all colors of light (black pupil). From the cosmological point of view, black is the essence of the universe, that is, the true face of the universe.

Black days mean sad, sad and sad days, such as "Black Friday". Black is often used in paintings, literary works and movies to render the atmosphere of death and terror. Black is the color of mourning, and people often wear black clothes to attend funerals.

Black is a hidden and secret color. One of the explanations for the word "black" is "secret and illegal". For example, a hacker refers to a person who maliciously tries to crack or destroy the security of computer programs, computer systems and computer networks. It is a combination of English hacker transliteration and free translation.

In the language of anime fans, the word "black belly" is often used to refer to the role of a person with an evil heart and intrigue. "Black humor" Black humor is different from ordinary humor. Its absurdity and cynicism include sadness and loss, tears and pain, melancholy and cruelty.

Therefore, its bitter laughter contains tears and even anger. Later, people usually used the word "black humor" in this sense.