sir·loin
noun/ˈsɜːlɔɪn/
/ˈsɜːrlɔɪn/
(also sirloin steak)
[uncountable, countable]- good quality beef that is cut from a cow’s back
牛里脊肉；牛上腰肉 Oxford Collocations DictionarySirloin is used before these nouns:- steak
Word Originlate Middle English: from Old French (from sur- ‘above’ + loin).