困难

After autoxidation, the toxic metabolite 1-methyl-4-phenylpyridinium is formed and cause damage to the dopaminergic neurons.

对黑质-纹状体多巴胺神经传导途径有高度专一性的伤害，能引发与人类巴金森氏症相似的颤抖、肌肉僵直及起始运动困难等症状。

He is winning the Hubble Aver Award, and been celebrate all over the world.

他赢得了艾华大奖，举世瞩目，这些都不困难。

This is a difficult topic to figure out for the average person.

这是一个困难的课题，为一般人弄清楚。

The determination of its average velocity over this distance is not difficult.

要确定它在这段距离上的平均速度并不困难。

Some of us have been masters of avoidance for too long.

我们中的一些人很久之前就能够控制自己不逃避困难了。

The avowed goal is to help domestic workers and businesses that are going through difficult times.

公开宣布的目标是帮助国内的工人和企业，正在经历困难时期。

She told us that our father just passed awa, and ou became the most straitened student in our class.

她告诉我们你父亲刚去世，成了我们班里最困难的同学。

Field is right of entrepreneur spirit inducing is: Have very old ambition, not Xiaofu is installed namely; Have sturdy belief, not awe-stricken and difficult; Have deep love for innovation, can tolerate failure.

田对企业家精神的归纳是：有很大的抱负，不小富即安；有坚定的信念，不畏惧困难；热爱创新，能够容忍失败。

The extension of the axial dispersion model to more complicated mixing is very difficult.

扩建后的轴向分散模型，以更为复杂的混合是非常困难的。

Secondly, by using multimodal propositional logic, we axiomatize AKRL and prove soundness, completeness, and finite model property of AKRL.

在AKRL完备性的证明中，指出了AKRL在表示情境的对象性方面的困难，从而论证了用表达能力更强的逻辑系统来分析研究类比知识表示系统的必要性。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。