单词	root primordium
释义	root primordium 根原;根点
随便看	gradient freeze technique gradient freezing gradient furnace gradient gel electrophoresis gradient geothermal gradient geothermal tepmerature gradient goethermal depth gradient grid gradient group gradient gun gradient gust gradient hardness gradient hydrophone gradient improvement gradient index gradient index fiber gradient-index fiber gradient-index glass gradient index lens gradient-index media gradient-index microlens array gradient index optic gradient-index profile gradient-index rod lens gradient index sector 挟3 挟主行令挟势弄权挟天子以令天下挟天子以令诸侯挟山超海挟细拿粗挠挠1 挠2 过街柳过街楼过街烂过街老鼠过誉过访过话过误过谦过负荷