同根派生 musculus biceps brachii相关词英汉例句The bodybuilders contracted their biceps in unison.健美运动员们一起收缩肱二头肌。He gave his biceps a flex to impress the ladies.他收缩他的肱二头肌以吸引那些女士们的目光。musculus biceps brachii更多例句