noun ダウンロード 🔗共有 無理数 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. " 数学の授業で、√2や√5のような数は無理数であり、平方根の記号で書かれることを学びました。 math number AIとチャット語彙ゲーム読解練習
noun ダウンロード 🔗共有 無声子音 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 AIとチャット語彙ゲーム読解練習
