steel
US /stiːl/
UK /stiːl/

1.
钢, 钢铁
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.
这座桥是用高强度钢建造的。
•
Many modern buildings use steel frames.
许多现代建筑使用钢框架。
1.
下定决心, 鼓起勇气
harden (oneself) against something unpleasant or difficult.
:
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She had to steel herself for the difficult conversation.
她不得不下定决心面对那场艰难的谈话。
•
He steeled his nerves before stepping onto the stage.
他在上台前鼓起勇气。