noun ダウンロード 🔗共有 手の爪 The hard, flat translucent covering near the tip of a human finger, useful for scratching and fine manipulation. Examples : "She bit her fingernails when she was nervous before the exam. " 試験前、彼女は緊張して手の爪を噛んでいました。 anatomy body physiology part human appearance AIとチャット語彙ゲーム読解練習