noun 다운로드 🔗공유 무리수 An irrational number, especially one expressed using the √ symbol. Examples : "In math class, we learned that numbers like √2 and √5 are called surds because they are irrational and written with a square root symbol. " 수학 시간에, 우리는 √2와 √5와 같은 숫자들은 무리수이고 제곱근 기호로 쓰인다는 것을 배웠다. math number AI와 채팅어휘 게임독해 연습
noun 다운로드 🔗공유 무성 자음 A voiceless consonant. Examples : "In phonetics class, we learned that "p", "t", and "k" are examples of surds because they are consonants produced without vocal cord vibration. " phonetics linguistics language grammar word sound AI와 채팅어휘 게임독해 연습
