steel
US /stiːl/
UK /stiːl/

1.
acero
a hard, strong, gray or bluish-gray alloy of iron with carbon and usually other elements, used as a structural and fabricating material.
:
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The bridge was constructed with high-strength steel.
El puente fue construido con acero de alta resistencia.
•
Many modern buildings use steel frames.
Muchos edificios modernos utilizan estructuras de acero.
1.
templar, armarse de valor
harden (oneself) against something unpleasant or difficult.
:
•
She had to steel herself for the difficult conversation.
Tuvo que armarse de valor para la conversación difícil.
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He steeled his nerves before stepping onto the stage.
Él templó sus nervios antes de subir al escenario.