词汇	half edge graph
释义	half edge graph 半边图
随便看	occasional nature occasional neglect occasional noise pulse occasional offcenter occasional offender occasional overcraft occasional overdraft Occasional overeating occasional papers occasional parasite occasional parasitism occasional parthenogenesis occasional premature beat occasional publication occasional regeneration occasionals occasional service occasional show occasional showers occasional sleeplessness occasional specie occasional species occasional sports participants occasional squally thunderstorm occasional stirring