牛脊肉 Traditional form: 牛脊肉 Pinyin (reading): niújǐròu Definitions: sirloin (beef joint) Characters: 牛 - ox, cow, bull 脊 - spine, backbone; ridge 肉 - meat; flesh Traditional characters: 牛 - ox, cow, bull 脊 - spine, backbone; ridge 肉 - meat; flesh