midriff
/ˈmɪdrɪf/ 29Someone's midriff is the middle part of their body, between their waist and their chest. 上腹部; 胸与腰之间的部分
noun [专属名词]膈；上腹部
He was struck by a stabbing pain in his midriff. 他突然感到腹部一阵剧痛。
单词造句:
He was struck by a stabbing pain in his midriff. 他突然感到腹部一阵剧痛。