methionine /me'θaiәni:n/ 📖 中文释义 [化] 甲硫氨酸; 蛋氨酸[医] 蛋氨酸, 甲硫丁氨酸 🧩 词形变化 复数 methionines 📘 English Definition(英文释义) n. a crystalline amino acid containing sulfur; found in most proteins and essential for nutrition ← methionic acid M 字母词表 methionine synthetase →