Toughening composite based on polymers is one of the trends of research in polymer science.

Right now PepsiCo needs that growth as it faces a toughening economic climate.

目前,百事面临在严峻的经济气候中增长.

This article introduces the modification principle and toughening ways of BMI.

本文介绍了双马来酰亚胺树脂的改性原理及改性方法.

You must have had a much tougher time than we did.

你们要比我们辛苦得多.

And they lobby hard for more prisons, police, and tougher laws.

他们还竭力游说多建监狱, 多增警力, 并制定更加强硬的法律.

A leather bag is tougher than a paper bag.

皮袋子比纸袋子坚固.

But it's even tougher to be a television repairman.

但修理电视机(的人)就更复杂了.

The Chinese market is opening wider while the competition is also getting tougher.

中国市场是日益开放的,同时也是竞争激烈的.

This is the toughest crime bill that Congress has passed in a decade.

这是十年来国会通过的最严厉的一项刑事法案。

And I guess being the poor guy dying is the toughest of all?

我想你的意思是成为那个死人是最难的事?

Alcohol puts the liver through some of its toughest , most elaborate paces.

酒精使肝脏处于最为艰难,疲于奔命的状态之下.

What you just described is the next step, also the toughest.

你所说的就是下一步, 也是最困难的一步.

Q. Is this arguably the toughest defeat of your career?

这可算是你职业生涯中最艰难的一场失败 吗 ?

Tomorrow, you will start the toughest part of your training!

明天, 要开始特训中最艰苦的部分了.

And the round-the-world resource that stands fast not to depreciate toughly, its reason is contrary however.

而固执坚守不降价的环球资源, 其理由却是相反.

Recent years have seen the overheated micro economy, toughly regulating process and the reasons are multi-level.

近期我国经济过热, 调控过程艰难,致因是多层次的.

She had an unusual degree of self-reliance and mental toughness.

她有非凡的 自立 的精神和坚韧不拔的精神.

All this toughness does not sit well with everyone.

所有这种强硬的做法并非人人都能接受.

He liked their toughness and their loyalty.

他喜欢他们的坚韧不拔和忠贞不二.

Combines high hardness with high toughness and good edge stability.

该牌号具有很高的硬度、很高的韧性和很好的切面稳定性.

Tumble abrasion of a fabric is highly dependent on the inherent fiber toughness.

织物耐滚磨的能力与纤维固有韧度相关密切.