| 单词 | 观测者 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔SAY〕UFO spotters will always insist that their data is correct. 不明飞行物的观测者总会坚持他们的资料是正确的。朗文写作活用〔eclipse〕The partial or complete obscuring, relative to a designated observer, of one celestial body by another.蚀：天体的部分或全部受到其他天体的遮掩而变得晦暗，这种现象与特定观测者相关美国传统〔life list〕A cumulative record of the species seen and identified by a naturalist, especially a bird watcher.鸟类记录：自然学家，尤其是鸟类观测者看到或识别的鸟的种类的累积记录美国传统〔mistake〕An unwary observer could easily mistake this constellation for a comet.粗心的观测者很容易把这个星座误认为是彗星。牛津搭配〔nadir〕Astronomy A point on the celestial sphere directly below the observer, diametrically opposite the zenith.【天文学】 天底：天球上，在观测者垂直向下的一点，与天顶完全相对美国传统〔side〕The part within an object or area to the left or right of the observer or of its vertical axis.侧部：在观测者或物体垂直轴左边或右边的物体部分或区域美国传统〔transit〕The passage of a celestial body across the observer's meridian.凌日：一个天体经过观测者的最高点美国传统〔zenith〕The highest point above the observer's horizon attained by a celestial body.天体的最高点：通过天体到达的在观测者视平线之上的最高点美国传统〔zenith〕The point on the celestial sphere that is directly above the observer.天顶：在观测者正上方的天体上的一点美国传统 |
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