观察的距离大约是40米，我们把望远镜架在岸边，沿着湖边的树丛仔细搜寻，终于在湖边发现了一只小鸟。

We observed about 40 meters away from these birds. We put up our telescope on the bank and searched in the lens and finally found a little bird beside the lake.

youdao

现在，你的观察者在哪里? 对我们许多人来说，它就像一只栖息在肩膀上的怪鸟，透过我们的双眼在注视。

Where eis your observer right now? For many of us, it's like a weird bird perched on our shoulders and peering through our eyes.

youdao

现在，你的观察者在哪里？对我们许多人来说，它就像一只栖息在肩膀上的怪鸟，透过我们的双眼在注视。

Where is your observer right now? For many of us, it's like a weird bird perched on our shoulders and peering through our eyes.

youdao

我们承认，在许多领域，事实一般只局限于病例报告，观察或描述性研究，以及不好的CONTROLLED或者UNTROLLED的研究。

It is acknowledged that, in many areas, evidence is generally confined to case reports, observational or descriptive studies, and poorly controlled or uncontrolled studies.

youdao

我们承认，在许多领域，事实一般只局限于病例报告，观察或描述性研究，以及不好的CONTROLLED或者UNTROLLED的研究。

It is acknowledged that, in many areas, evidence is generally confined to case reports, observational or descriptive studies, and poorly controlled or uncontrolled studies.

youdao