I should choose a child with the permission of the child's parent of course and then observe that child a couple of times and take good notes, then?

我应该选择一个孩子，当然是在孩子的父母允许的情况下，然后观察那个孩子几次并做好笔记，然后呢？

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Although scientists observe that an organism's behavior falls into rhythmic patterns, they disagree about how these patterns are affected when the organism is transported to a new environment.

尽管科学家观察到生物体的行为具有节律性，但当生物体被运送到一个新的环境时，这些模式是如何被影响的，他们意见不一。

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We observe that the first calls for radical transformation did not begin until the period of the industrial revolution.

我们认为，首次要求彻底改革的呼声直到工业革命时期才出现。

《柯林斯英汉双解大词典》

In that event,astronomers were able to observe the icy comet long before it struck the solar system's biggest planet.

VOA: special.2009.08.25

NO So that the more complete answer to the question is that no, we're never going to be able to observe that because of the uncertainty principle it's not possible to observe a velocity that's this slow for a macroscopic object.

所以这个问题的完整答案是，由于不确定性原理,我们不可能测量到这么慢的,宏观物体的速度，希望这个解释。

麻省理工公开课 - 化学原理课程节选

Observe that the word "Political" derives from the Greek word Polis.

英语的政治一词,就是源于希腊字,城邦

耶鲁公开课 - 古希腊历史简介课程节选

Godfrey and Utley observe that the documents show customs and laws that changed over time.

CNN: Paul Revere, J.P. Morgan wills among millions now online

Observe that the first wave down was corrected by 61.8% before the third wave went down with a gap.

FORBES: Now Is Not The Time To Buy McDonald's

Others observe that local services have better maps than Apple in China, but that is not the key point.

FORBES: Apple Maps, China -- and the Art of War