(1)対立する者同士が、互いに殺しあう抗争
(2)a feud in which members of the opposing parties murder each other
さらに詳しく
(1)悪性の骨腫瘍
(2)小児と若年成人に多く、大腿骨に生じ易い
(3)malignant bone tumor; most common in children and young adults where it tends to affect the femur
