secondary bud副芽
secondaryadj.次要的;从属的;中等教育的n.副手;次要位置
secondary packing中包
secondary account附属帐户,次级帐户
secondary lookout辅助了望台secondary lookout man
secondary feather次级飞羽(动)
secondary purpura继发性紫癜
secondary cutting二次切削
secondary fission二次裂变
secondary turbine后置式汽轮机
secondary lobules小叶
secondary cathode次级阴极,二次阴极