half marathon half light half length half leather 半革裝half lap scarf joint [土木建筑工程]半疊楔接半疊榫接half hour 半小時(shí)，30分鐘。half holiday half hitch half hearted half hatchet 短柄半斧half hardy half hard woodcutting [農(nóng)業(yè)科學(xué)]半硬枝扦插half guard half gainer half forward lunge standing [體育]前半箭步half finished product 半成品half farming and half nomadism [藝術(shù)學(xué)]半農(nóng)半牧half face 半罩式安全帽；側(cè)面half exterior and half interior [醫(yī)藥科學(xué)]半表半里half exact functor [數(shù)學(xué)]半正合函子