I. Interpretation

Metal: refers to the metal material composed of iron, carbon and other elements, which has the characteristics of high hardness, high strength and good wear resistance. Steel is widely used in construction, manufacturing machinery, manufacturing tools, automobile manufacturing and other fields.

Instrument: refers to a hard object used to hit or apply pressure. For example, swords, hammers and sticks in weapons can all be called steel.

Adjective: refers to the strong and indomitable quality. Often used to describe willpower and perseverance. For example, "will is like steel" is a very firm will.

Verb: refers to the use of steel for treatment, processing and improvement. For example, "tempered glass" is to make the glass stronger and more compressive.

Second, the definition of word combinations

Steel (gāng tiū): refers to alloy materials composed of iron, carbon and other elements, and can also refer to the steel industry in general.

Steel bar (gāng jρn): refers to the steel bar used to reinforce concrete structures.

Piano (gāng qín): refers to a keyboard instrument, which consists of steel strings and wooden speakers.

Toughening (gāng huà) refers to the process of enhancing the hardness and resistance of materials (such as glass and metal) through special heat treatment or chemical treatment.

Pen (gāng bǐ): refers to a writing instrument using a metal nib and ink.

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Examples of steel

The bridge uses high-strength steel to ensure structural stability.

Workers are building and pouring reinforced concrete into the foundation.

She played a touching tune on the piano.

This window is made of tempered glass, which is safer and more durable.

He wrote his signature with a pen.

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This factory is an iron and steel enterprise, which mainly produces all kinds of steel.

In order to strengthen the building structure, the construction team embedded a large number of steel bars in the concrete.

The artist reworked the scrap steel into a unique sculpture.

Piano strings need to be adjusted regularly to keep the sound quality accurate and clear.

He showed his skills in practicing bows and arrows, aiming and hitting steel targets.