the main muscle at the front of the top part of the arm 二头肌(上臂前侧的主要肌肉) He showed off his bulging biceps. 他炫耀他鼓鼓的二头肌。
Oxford Collocations DictionaryBiceps is used before these nouns:- workout
Word Originmid 17th cent.: from Latin, literally ‘two-headed’, from bi- ‘two’ + -ceps (from caput ‘head’).