harden

过去式：

动词过去式: hardened

更多词形：

动词过去式: hardened | 动词过去分词: hardened | 动词现在分词: hardening | 动词第三人称单数: hardens |

单词例句：

The same heat that melt the wax, will harden the clay.

热既可熔化蜡，又可使粘土变硬。

Why shall harden steel is annealled?

淬火钢为什么要退火呢?

The soft concrete will harden till it is like stone.

水泥将变硬直到像石头一样。

To render callous or unfeeling; harden.

使麻木；使无感觉；硬化。

Why shall harden steel be annealed?

淬火钢为什么要退火呢?

To quench steel is that hot steel is quenched to harden it.

淬钢就是烧热的钢置入水中骤冷使之坚硬。

Don't harden your heart against him.

别对他硬心肠。

Melted metal is poured into a mold to harden into shape.

熔化之金属倒入模子中以冷却成形。

Please don't harden your heart against me.

请别对我那么硬心肠。