丙基
propyl group (chemistry)
并激
parallel excitation; shunt excitation; shunt-wound (e.g. electric generator)
并集
union (symbol ∪) (set theory)
病机
interpretation of the cause; onset and process of an illness; pathogenesis
病急乱投医
lit. to turn to any doctor one can find when critically ill (idiom); fig. to try anyone or anything in a crisis
亡兵纪念日
Memorial Day (American holiday)