头: 5点就得动身 have to start before ...胚: embryo基: base; foundation头胚基, 头芽基: head-blastema头胚基,头芽基: head blastema胚基: blastemata; blastophore; blastopore; embryo stem胚基, 芽基: blastema胚基的: blastemic牙胚基: tooth germ basement后肾胚基: metanephric blastema精细胞胚基: blastophore囊胚基质: blastostroma细胞胚基: cytobiastema; cytoblastema牙胚基膜: basement羽胚基乳突: papilla of feather germ头泡魔法: bubble-head charm头泡茶: the first infusion of tea头喷棉花: the first crop of cotton头泡: head vesicle头盆不称: cephalopelvic dispropor tion; cephalopelvic disproportion, cpd; cpd cephalopelvic disproportion头炮: toupao头盆牵引术: halo-pelvic traction头盘组合件,磁头磁盘组合件: head disk assembly