hindrance 考研GRE

1.Lack of experience does not constitute a major hindrance to progress.

经验缺乏并不是进步的主要。

2.A habit of dissimulation is a hindrance, and a poorness to him.

在他这样的一个人，一种掩饰的习惯是一种挠，一个。

3.Now they can construct tunnel systems without hindrance.

在他们可以顺利地建造隧道系统了。

4.As steric hindrance of the aryl amine decreased and nucleophilicity increased, occurrence of the transfor-mation reaction increased and herbicidal activity of the product decreased.

芳胺空间位越小,亲核性越强,副反应越容易发生,产物除草活性越低。

5.My patrolling here is a hindrance to those searching for herbs and scorpions, cutting off their profits.Once I was even shown where they had setup a mantrap!

我开始保护长城的时候，那些挖蝎子、药材的人不理解，我等于断了他们的财路，有一次他们还故意把我引到下有“套子”的地方。