steel

我欣赏古剑刀刃那凉爽抛光的钢。

I admire the cool, polished ___steel of the ancient sword's blade.

我们在厨房安装了一个新的不锈钢水槽，便于清洁。

We installed a new stainless ___steel sink in the kitchen for easier cleaning.

建筑行业常使用耐用的钢管作为水管系统。

The construction industry often uses durable ___steel pipes for water systems.