toughen

现在分词：

动词现在分词: toughening

更多词形：

名词: toughener | 动词过去式: toughened | 动词过去分词: toughened | 动词现在分词: toughening | 动词第三人称单数: toughens |

单词例句：

One theory is that they were trying to toughen up the next generation.

有一种理论认为他们在试图磨练下一代。

He needs a neat diet and plenty of hard exercise to toughen him up.

他需肉类饮食和大运动量的艰苦锻炼使自己强健起来。

The company leader said that army life would toughen the recruits up.

连长说军队生活可以使新兵锻炼得更坚强。

This experience will toughen her.

这次经历会让他变坚韧。

To subject(glass or metal) to a process of heating and slow cooling in order to toughen and reduce brittleness.

使退火给（玻璃或金属）加热并使之慢慢冷却以使之变硬并减少易碎性

Aring brief four years for university four years is also abundant four years, also is to oneself four years of ability development and toughen.

大学四年是短暂的四年，也是丰富的四年，同时也是对自己能力培养与锻炼的四年。

A mince of nano-CaCO3(below 5% , weight fraction) can strengthen and toughen the mPE/LLDPE blends.

少量的nan。 一CaCO3对于mPE/LLDPE共混体系有增强增韧的作用。

Has other kids' bad behavior led you to toughen your standards?

其他孩子的不良行为让你提高了标准吗？

Getting South Korea to toughen its non-confrontational stance on the North is an important goal for Mr Bush, and on this he had some success.

使韩国坚定其不与朝鲜发生冲突的立场，是布什的一个重要目标，在此方面他已取得了一些成功。