是: Semantics在: exist; be living肚子: abdomen; paunch; belly; tumm ...下: below; down; under; undernea ...半: half部: part; section; division; reg ...下半部: bottom halves; lower half; the bottom half下半部头痛: lower-half headache下半部组装: lower half assembly型的下半部: drag half of mould字母下半部: descender一拳打在肚子上: poke用手在肚子上画圈: move the hand in circles over the stomach下半部曲轴箱: lower half crankcase镶牙的下半部: lower子午线下半部: lower branch of meridian后轴承下半部轴衬: bush for rear bearing lower half前轴承下半部轴衬: bush for front bearing lower half熟鸡腿的下半部分: drumsticks下半部瓶身缩小: insweep发动机曲轴箱的下半部: crankcase bottom half; crankcase lower half放在肚子里比放在脑子里好: better in the belly than in the head下半: low-half肚子: 肚子tripe是在: asr