noun🔗Share鸟鸣，虫鸣. A short, sharp or high note or noise, as of a bird or insect."The sudden chirp of a cricket startled me awake. "蟋蟀突然的一声鸣叫把我吓醒了。soundanimalnaturebirdinsectChat with AIVocabulary GamePractice Reading
noun🔗Share啁啾信号, 线性调频信号 (radar, sonar, radio telescopy etc.) A pulse of signal whose frequency sweeps through a band of frequencies for the duration of the pulse."The radar operator identified the approaching aircraft by analyzing the unique frequency pattern of its emitted chirp. "雷达操作员通过分析来袭飞机发出的线性调频信号独特的频率模式，识别出了该飞机。signalelectronicstechnologyfrequencyphysicscommunicationmachinedevicescienceChat with AIVocabulary GamePractice Reading
verb🔗Share叽叽喳喳，啁啾。 To make a short, sharp, cheerful note, as of small birds or crickets"The little birds chirped happily outside the classroom window. "教室窗外，小鸟们欢快地叽叽喳喳叫着。soundanimalnaturebirdChat with AIVocabulary GamePractice Reading
verb🔗Share叽叽喳喳地说， 啁啾。 To speak in a high-pitched staccato"The little girl began to chirp happily about her new toy, her voice high and quick like a bird's. "那个小女孩开始叽叽喳喳地高兴地讲述她的新玩具，她的声音又高又快，就像小鸟一样。soundanimalcommunicationChat with AIVocabulary GamePractice Reading
verb🔗Share频率扫描，调频。 (radar, sonar, radio telescopy etc.) To modify (a pulse of signal) so that it sweeps through a band of frequencies throughout its duration."The scientist chirped the radar signal to detect the faint echoes from the distant spacecraft. "科学家对雷达信号进行了调频处理，以便探测来自遥远宇宙飞船的微弱回波。technologyelectronicssignalphysicsfrequencycommunicationdevicetechnicalChat with AIVocabulary GamePractice Reading
verb🔗Share使高兴，使振作。 To cheer up; to make (someone) happier."The bad news about the test made her sad, but her friend chirped her up by telling her funny stories. "关于考试的坏消息让她很伤心，但她的朋友给她讲了很多有趣的故事来逗她开心，让她振作起来。emotionmindattitudeChat with AIVocabulary GamePractice Reading
