将“firmness"翻译成中文

The third section, which provides the support and firmness, usually contains tempered steel coils or springs.

第三部分通常会安上回火钢圈或弹簧,提供足够的承受力和硬度。

With a firm goal in mind, you will do well.

有了坚定的目标,你会做得很好。

Many young people are failing to gain a firm foothold in the labour market.

许多年轻人未能在劳务市场获得稳固的一席之地。