observe的三种重点用法

用法:

vt. 庆祝

vt. 观察；遵守；说；注意到；评论

vi. 观察；说；注意到；评论

I observed his strange expression.

我注意到了他奇怪的表情。

The students are observing the changes of these bacteria.

学生们正在观察这些细菌的变化。

In library, we should observe the rules and mind our behavior.

在图书馆中，我们应该遵守规章制度，注意言行。

The scientists observe the data changes in the research very carefully.

科学家们非常认真地观察研究中数据的变化。

Adam failed to observe the law and had to pay a fine.

Adam没有遵守法律，必须得缴纳罚款。