La /lɔ:, lɑ:/ 📖 中文释义 [医] 镧(57号元素) 🧩 词形变化 复数 las 📘 English Definition(英文释义) n. the syllable naming the sixth (submediant) note of a major or minor scale in solmization ← l/h L 字母词表 La Bel tube →