名词的话是Observation
动词形式是Observe,后面直接加名词或者不加均可.
例句~
-for 【observe】
Imagination can make you observe a new world rationally.
想象能使人理智地观察一个新世界.
Before you begin to write ,take the time to observe.
在你开始写作之前,要先抽出一点时间去观察.
-for 【observation】
The careful observation and inference was his daily work .
他的日常工作便是仔细的观察和诊断.