1. Why wasn´t it possible to observe the electric discharge in the usual way?"
    为什么按正常方法不能观测到放电量？”

2. The aim was to look like street people and to observe what difference that made in the way other people responded to us — whether the appearance of poverty would invite prejudice on us.
    我们的目的是为了让自己看上去像漂泊街头的人，以观察别人对我们会有何不同反应——贫穷的外表是否会招致对我们的歧视。

3. So it is with personal disappointment that I observe the current tendency to keep out new arrivals.
    所以我是带着我个人的失望心情来看待目前当局阻止移民美国的倾向的。

4. Most animals we commonly observe do in fact age as we do, if given the chance to live long enough;
    我们通常看到的大多数动物，即使能让它们活得足够长久的话，也会像我们一样衰老的。

5. In 1948, he went to lake Kivu in the Congo to observe a new volcano which he later named Kituro.
    1948 年他到刚果的基伍湖去观察一个新火山，后来他给这座火山起名为基图罗。

6. In 1948, he went to Lake Kivu in the Congo to observe a new volcano which he later named Kituro.
    1948年他去了刚果的基伍湖，对一座后来被他命名为基图罗的新火山进行观察。

7. I reach for the light switch, and as it silently lights the scene, I return to the bed to observe the patient with an unemotional, medical eye.
    我伸手去开灯。灯静静地照亮了整个病房，我走回病床边，用无动于衷的、医生的目光观察着病人。