sirloin /'sә:lɒin/ 📖 中文释义 n. 牛的上部腰肉, 牛里脊肉 🧩 词形变化 复数 sirloins 📘 English Definition(英文释义) n. the portion of the loin (especially of beef) just in front of the rump ← sirleaf S 字母词表 sirloin steak →