What does the word "extraction" mean?

Extraction of copper

translate freely

1 party: party. 2 people or things that get together: outstanding.

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draw

(voice. From death, the sound of death. Original meaning: the appearance of grass)

be synonymous

Extract it, and the grass is full of posture. -"Ji Yun"

Through "strain"

Another example: extracting humiliation (labor and humiliation); Extract evil (looking haggard)

Pass "Bi"

Extract:

Extend to gathering, gathering

Emeralds come from wings. -Sima Xiangru's "Changmen Fu"

The gentry, doctors and scholars were all drawn from Prime Minister Zuo's house. I don't know what the plan is. -Wen Tianxiang's "Southern Biography".

Gather in a room

Another example: get together (get together); Extract (collect). Stop, suffix auxiliary); Extraction order (summarized and arranged in order); Extraction (accumulation); Select the cluster (in the form of aggregation)

draw

Group, stratum. People or things that get together.

Extraction of copper

1 poly: hui ~.

2 people or things gathered together: pull out the class.

③ Last name.

The operation of adding a solvent to a mixture and separating the components of the mixture by using its different solubility in the solvent. For example, when benzene is added to an aqueous solution of bromine, bromine is extracted into benzene.

Yi ci

Cui: Heng. The king has a temple, so he can meet adults and be honest and virtuous. With the use of big animals, the benefits are favorable.

Day 6: Happiness is endless, but chaos is extraction. If you take the number as a joke, don't feel sorry for it.

Sixty-two: draw good luck, don't complain, use money.

Sixty-three: squeezing likes, being liked, unprofitable, blameless and stingy.

94: Good luck, no wonder.

Ninth Five-Year Plan: It's not strange to pull out the position. Fu Fei, Yuan Yongzhen, lamented his death.

Six: Don't complain.