单词	Is anyone downstairs
释义	Is anyone downstairs 有人在楼下吗？
随便看	Standard Navy Stock List Standard Navy Stock Number standard NCCF mode standard near vision chart standard negative Standard Network Front End Standard Network Interface standard neural network model standard neutral gray card standard neutron irradiation facility standard neutron source standard newsprint standard newton method standard nine Standard Nine Score standard noise factor standard noise generator standard noise generator and comparison system standardness standard noise source standard noise temperature standard nomenclature standard nomenclature list standard nomenclature of athletic injuries standard nomenclature of pathology