observation相关的词根或词缀是: serv

复数： observations

Mr allen and his colleagues made one other observation .

艾伦先生及其同事还有另一个观察结果。

Each end is fitted with triangular observation decks .

桥每端都设有三角观测台。

In fact , it had all started with a student 's observation that I was cheerful .

实际上，这一切都是从一个学生注意到我快乐开始的。

I would like to make the additional observation that the tendency to disappoint applies to almost every single policy decision by almost every government .

我想提供一些补充意见，那就是这种令人失望的倾向几乎适用于每个政府做出的每个政策决定。

This illusion has its origin as a chance observation .

这一幻视来自一次偶然的观察。