The original meaning of the word charcoal refers to the solid obtained by burning tree trunks or bamboo, which is usually used for burning charcoal to keep warm and making barbecues. , also used as calligraphy supplies and musical instrument materials.
Pronunciation, the syllable tàn comes from the tip of the tongue, which is close to the voiced consonant T, but it needs to be pronounced as a clear consonant. When making a T-sound, the tip of the tongue is close to the upper gum, and the root of the tongue is close to the soft palate to block the airflow channel, and then it suddenly opens, and the airflow is ejected from the mouth and nasal cavity, making a T-sound. When N sound is pronounced, the tip of the tongue is close to the upper gum, the root of the tongue gradually drops, the lips relax, and a weak vowel is emitted from the back of the mouth. When two syllables are connected, it is tà n.
Look from the glyph, charcoal characters are composed of half fire characters and half gray characters, and the right half is gray characters. Its formula is fire, which means it is related to combustion. According to the explanation in Shuo Wen Jie Zi, the word charcoal means burning wood. In other words, the solid left after combustion is carbon.
The word charcoal has two common words, charcoal and charcoal fire. Charcoal is a common fuel, which is obtained by incomplete combustion of wood and is usually used for barbecue and heating. Charcoal fire refers to the flame produced by burning charcoal.
Charcoal combination:
1, carbonic acid: Also known as carbonic acid, it is an inorganic compound containing carbon, which has the nature of acid and is a colorless liquid at room temperature.
2. Charcoal: charcoal made by incomplete combustion of wood or wood raw materials, mainly used for heating and barbecue.
3. Carbon: a mixture of carbon and graphite, which has high electrical and thermal conductivity and is often used to make electrodes and heat exchange materials.
4. Anthrax: an infectious disease caused by Bacillus anthracis, which mainly infects animals.
5. Activated carbon: It is a specially treated carbon material with high adsorption performance.
6. Bamboo charcoal: refers to the carbon material made from bamboo by high-temperature carbonization, which has the characteristics of high porosity and strong adsorption performance.
7. Charcoal roasting: Grill food or articles with charcoal fire, which is usually used to make grilled dishes or barbecues.
8. Give charcoal in the snow: give charcoal to people to keep warm in snowy days. It is a metaphor for giving material or spiritual help to others when they are in urgent need.
9. Endless suffering: People are trapped in mud ponds and fire pits. Describe people in an extremely difficult situation.
10, paint swallowing charcoal: it refers to deliberate deformation and voice change, so that people can't recognize themselves.