steel

• 由铁和碳制成的坚固、坚硬的银灰色金属，广泛用于建筑、制造和机械工程。

A strong, hard, silver-grey metal made from iron and carbon, used extensively in construction, manufacturing, and engineering.

不可数

1. Metal alloyA2formal

   A strong, hard alloy of iron and carbon, used for construction, tools, and machinery.

   钢

   • The bridge is made of reinforced steel.
   • Steel beams support the skyscraper's structure.
   • The knife blade is crafted from high-quality steel.

2. Strength or toughnessB2formal

   Used metaphorically to describe great strength, endurance, or hardness.

   钢铁般的坚强

   • He has nerves of steel during emergencies.
   • Her will is made of steel; she never gives up.
   • The athlete showed steel determination in the final race.

   同义词endurancefortitudegrithardnessmettlenerveresolvestrengthtoughness

• 动词，指在心理或精神上使自己坚强起来，以面对困难、不快或复杂的事情。

A verb used to indicate the act of mentally preparing oneself to face something difficult, unpleasant, or challenging.

1. Prepare mentallyB2formal

   To mentally prepare oneself to face something difficult, unpleasant, or challenging.

   做好心理准备

   • She steeled herself for the bad news.
   • He steeled his nerves before the big presentation.
   • They steeled themselves for the long journey ahead.

   同义词bracefortifygirdhardennervestrengthen