hardness

名词

1. 1

   硬度、坚硬

   Diamond is famous for its extreme hardness and durability.

   钻石以极高的硬度和耐久性著称。

2. 2

   硬度指水质

   The hardness of the tap water here ruins our kettles.

   这里自来水的硬度很高，把我们的热水壶都弄坏了。

3. 3

   困难、艰难

   Nobody warned us about the hardness of the climb ahead.

   没有人事先提醒我们接下来这段攀登有多艰难。

4. 4

   严厉、冷酷

   There was a hardness in her voice that silenced everyone.

   她语气中的冷酷让所有人都沉默了。