the central point of attention or interest; the crux of a matter

a state of uneasiness or worry; anxiety

anxious; very worried; troubled by extreme concern or impatience

To bring light rays, electron beams, or other particles into a single point, or to adjust a lens or device to achieve this

To adjust the focal distance of a camera lens to make an image clear.

a hard, porous, grey fuel made by heating coal without air, primarily used in blast furnaces for smelting iron and steel

The distance from the center of a lens or the vertex of a curved mirror to its principal focus; focal distance

fretful; impatient; extremely anxious and restless

to turn organic matter into carbon or coke through heating; usually refers to the production of coke from coal

to burn or scorch; to be charred or dried out by excessive heat

to be in a difficult, embarrassing, or desperate situation

A prefecture-level city located in Henan Province.

caramel; a brown substance made by heating sugar until it turns brown, used for coloring and flavoring foods

troubled and heavily weighed down by worry; extremely anxious

a type of soft coal with high bonding properties used primarily to produce coke for steelmaking

deeply worried; extremely anxious; heart-stricken with anxiety

dark, thick liquid produced by the distillation of coal, oil shale, or wood

to produce coke from coal; the process of heating coal to high temperatures in the absence of air to produce coke, gas, and tar

Jiaozuo, a prefecture-level city in Henan province; located on the north bank of the Yellow River.

coking furnace; oven used for the manufacture of coke

A unit of energy or work, equal to the work done by a force of one [[牛顿|牛頓|niu2 dun4]] moving an object one meter; named after the British physicist James Prescott Joule.

(Chinese medicine) the middle section of the body cavity between the diaphragm and the navel, containing the stomach and spleen; responsible for digestion and nutrient distribution

worried or anxious; restless and impatient with worry

yellow and withered in appearance; sickly and pale

The color produced after an object has been charred by fire or eroded by chemicals

A dark brown, thick, smelly liquid produced by distilling coal; used as a raw material for fuel, dyes, and medicines.

to burn food by overcooking, overroasting, or overbaking

scorched earth; refers to land, buildings, or crops that have been burnt to ashes or completely destroyed by war or fire

The part of the body cavity below the navel including the kidneys, bladder, and intestines in Chinese medicine. This is the lowest of the three parts that make up the [[三焦|三焦|san1 jiao1]].

To adjust the focal length of a lens in order to make an image clear

to form coke or become charred; specifically, the process of heating coal at high temperatures to increase carbon content for metallurgy

An industrial furnace used to produce coke from coal at high temperatures, typically for use in ironmaking; coking furnace.

legendary warrior of the Northern Song Dynasty and one of the generals of the Yang clan, known for being inseparable from his companion Meng Liang

extremely thirsty; dying of thirst

browned and crispy (from frying or baking); burned to a crisp

(Chinese medicine) the upper section of the body cavity above the diaphragm, including the heart, lungs, and esophagus

(1763–1820) A prominent Qing Dynasty scholar from Yangzhou, Jiangsu, who made major contributions to Confucian classics, mathematics, and drama theory; author of the [[孟子正义|孟子正義|meng4 zi3 zheng4 yi4]]

A low-ranking official from the Eastern Han dynasty who is a central character in the famous narrative poem [[孔雀東南飛|孔雀東南飛|kong3 que4 dong1 nan2 fei1]]; he committed suicide after his wife, [[刘兰芝|劉蘭芝|liu2 lan2 zhi1]], was forced into a second marriage by their family.

shriveled or withered by heat or drought; scorched and dried up

withered and scorched; dried up or parched due to lack of water or excessive heat

zoom; varifocal; variable focal length

to defocus; to produce a bokeh effect in photography

A military strategy of destroying any assets that might be useful to an enemy while advancing through or withdrawing from an area; destroying buildings and supplies to prevent enemy use.

completely dried up; parched or lacking any moisture

(bound form) a type of paulownia tree used to make high-quality musical instruments; by extension, a famous ancient lute made from scorched wood.

To be worried and worn down by hard work; anxious and exhausted.

short form for the scorched tail guqin, a famous seven-stringed zither from the Han Dynasty

extremely worried and wretched; anxiety-ridden and bitter

deep anxiety or worry; intense mental distress