1. 定义和意义：
Exoplanet是指存在于其他星系之外的行星。这些行星可以在它们绕着它们的恒星旋转时，经由一系列特殊的技术手段来被发现，例如行星凌日法、径向速度法、微引力透镜法等。它们的发现已经让我们更深入地了解了宇宙的奥秘，特别是关于生命的起源和普遍性的问题。
例句：
- The discovery of exoplanets is one of the most exciting recent developments in the field of astronomy.
- Exoplanets raise important questions about the likelihood of life on other planets.
- NASA’s Kepler mission discovered thousands of exoplanets over the past decade.
2. 研究和探索：
Exoplanets的研究和探索是目前天文学领域的一项重要工作。科学家使用各种技术和方法来探测这些行星，研究它们的性质和特征，并发现可能存在的生命迹象。
例句：
- Astronomers are constantly developing new methods for detecting exoplanets.
- The study of exoplanets has opened up exciting new avenues of research in astrobiology.
- NASA is planning a variety of missions in the coming years to study exoplanets in more detail.
3. 未来研究和应用：
Exoplanets的发现和研究已经为我们提供了许多有趣的信息，们还有很多工作要做。研究者将继续使用各种技术来探索这些行星，并尝试确认是否有生命存在。
例句：
- The search for exoplanets will continue to be a major focus of astronomy in the coming decades.
- The discovery of an Earth-like exoplanet would be a major breakthrough in our search for extraterrestrial life.
- The study of exoplanets also has important implications for the search for habitable worlds outside our solar system.
例句来源：
- The search for exoplanets is an exciting and important field of study.
- Astronomers have discovered thousands of exoplanets using a variety of techniques.
- The study of exoplanets has opened up new avenues of research in astrobiology.
- NASA is planning a variety of missions to study exoplanets in more detail.
- The discovery of an Earth-like exoplanet would be a major breakthrough in our search for extraterrestrial life.
中文翻译：外行星
读音：è xuǎn xīng
例句：
1. 所有的外行星都围绕着某颗恒星运转。
All exoplanets orbit around a star.
2. 我们的科学家正在努力研究外行星的性质和特征。
Our scientists are working hard to study the properties and characteristics of exoplanets.
exoplanet在英语中代表”系外行星 、天太阳系外行星”的意思，其次还有”外星球”的意思，发音音标为[ek’s?ple?n?t]，exoplanet常被用作名词，在《英国翻译词典》中，共找到62个与exoplanet相关的例句。
1.系外行星
例句:And so far, we’ve been able to study dozens of exoplanet atmospheres, about six of them in great detail. (目前，我们已经能够研究 数十个系外行星的大气层， 其中有6个我们可以得到 非常详细的数据。)
2.天太阳系外行星
例句:This will greatly catalyze exoplanet research. (这将极大促进地外星系研究。)
3.外星球
例句:They installed a new camera, actually, that we use for exoplanet atmospheres. (他们在飞机上安装了一个新的照相机， 可以采集系外行星的大气数据。)
4.外部行星、外星球
例句:The smallest known exoplanet is Corot-7b, which has a diameter less than twice that of Earth. (翻译:科罗-7b是已知外部行星中最小的一个，它的直径不超过地球直径的两倍。)
1. They installed a new camera, actually, that we use for exoplanet atmospheres. (翻译:他们在飞机上安装了一个新的照相机， 可以采集系外行星的大气数据。)
2. The smallest known exoplanet is Corot-7b, which has a diameter less than twice that of Earth. (翻译:科罗-7b是已知外部行星中最小的一个，它的直径不超过地球直径的两倍。)
3. Meanwhile, the very darkness of the new exoplanet suggests perhaps a catchier moniker for TrES-2b, Kipping said. (翻译:与此同时，这颗新的外行星的漆黑或许给TrES-2b提供了一个更易于记住的名字，基平说。)
4. So any planet orbiting a star that’s not our Sun is called an exoplanet, or extrasolar planet. (翻译:任何一个围绕太阳以外的 恒星旋转的行星 都被称为外部行星，或系外行星。)
5. Because the newfound exoplanet orbits so close to its star, it’s gravitationally locked to the smaller body. (翻译:由于这颗新发现的太阳系外行星轨道非常接近其恒星，它的重心被恒星引力紧紧地束缚在较小的一端。)
6. Fred Jansen: You mentioned halfway through that the technology to actually look at the spectrum of an exoplanet like Earth is not there yet. (翻译:Fred Jansen： 你部分提到了 可以分析类地行星光谱的技术 还尚未实现。)
7. Nevertheless, exoplanet surveys are providing real data to a field long starved of them. (翻译:不过系外行星的调查正为这个等待已久的领域提供实测数据)
8. Detecting a magnetic field surrounding an Earth-like exoplanet would prove a promising sign for finding extraterrestrial life. (翻译:如果能够检测到某个象地球一样的太阳系外行星也被磁场包围，就证明有希望找到地球以外的生命。)
9. The exoplanet, called WASP-12b, is a gas giant, like Jupiter. (翻译:这颗命名为WASP – 12b的系外行星是一颗类似于木星的巨大气态星球。)
10. One of the densest exoplanet to date is a world known as COROT-exo-3b. (翻译:根据数据，密度最大的外行星是一颗叫做COROT-exo-3b的行星。)
11. The first habitable exoplanet? (翻译:人类发现了第一个宜居外星球？ )
12. “Golden Age” of Exoplanet discovery. (翻译:发现系外行星的“黄金时代”。)
exoplanet作为名词的时候，其近义词以及反义词有s、exoplanets等。
