'pulsar'这个词语来源于英语，中文翻译为“脉冲星”，是指一种红外、X射线等辐射的恒星，通常由高速旋转的中子星产生。
以下是9个含有'pulsar'的例句：
1. The pulsar spins around its axis at a rate of thousands of revolutions per second.（这颗脉冲星每秒围绕自己的轴旋转几千次。）
2. The discovery of pulsars in the 1960s was a major breakthrough in astronomy.（20世纪xx年代发现脉冲星是天文学上的重大突破。）
3. Pulsars are believed to be formed from the remnants of supernova explosions.（脉冲星被认为是超新星爆炸后残留下来的物质形成的。）
4. A pulsar emits a beam of radiation that can be detected by astronomers on Earth.（脉冲星会发射出一束辐射，可以被地球上的天文学家探测到。）
5. Scientists are studying the properties of pulsars in order to gain a better understanding of the universe.（科学家正在研究脉冲星的性质，以便更好地了解宇宙。）
6. The pulsar is located in the constellation of Taurus, about 4,000 light years from Earth.（这颗脉冲星位于金牛座，距离地球约4,000光年。）
7. The researchers used a radio telescope to observe the pulsar's emissions.（研究人员使用一台射电望远镜观察脉冲星的辐射。）
8. Pulsars are known for their incredibly stable rotation rates.（脉冲星以其极为稳定的旋转速率而闻名。）
9. The pulsar is one of the most mysterious objects in the universe, and scientists are still trying to unravel its secrets.（脉冲星是宇宙中最神秘的物体之一，科学家们仍在努力揭开其秘密。）
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