noun 下载 🔗分享 脉冲星,波霎星 A rotating neutron star that emits radio pulses periodically Examples : "Astronomers study the pulsar, a star in space, to understand its regular radio pulses. " 天文学家研究脉冲星(一种会周期性发射无线电脉冲的旋转中子星),以了解其规律的无线电脉冲。 astronomy physics space 与AI对话词汇游戏阅读练习