What does this observer ab extra represent?(这置身局外的观察者代表了什么？)
Any observer with a decimal chronometer and a view of the sun's height above the horizon would then know instantly where on the planet he was.(任何人只要有这样一块十进制表，再加上能看到地平线以上太阳的高度，就会立刻知道他在地球上的位置。)
Separate the observer from the pain.(将旁观者与伤痛区分开。)
He was also a born observer.(他也是个天生的观察家。)
On the other hand, he did not accept as well founded the charge made by some of his critics that, while he was a good observer, he had no power of reasoning.(另一方面，有些批评家指责他虽然善于观察，却没有推理能力，对此他既不接受也不支持。)
He is an acute observer.(他是一个敏锐的观察家。)
The president suggested that a UN observer should attend the conference.(大会主席建议应该有一名联合国观察员参加该会议。)
A casual observer would have taken them to be three men out for an evening stroll.(一位不经意的目击者会认为他们是晚上出来闲逛的3个男人。)
Listing 4 contains the code for the basic observer component.(清单4包含了基本观察者组件的代码。)
You are, as an observer, in this direction.(你们作为观察者，在这个方向。)
