英语词汇“unknown unknown”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	unknown unknown
释义	unknown unknown 🌏未知；未知的不确定性；未知短消息状态
随便看	hypersonic ablation hypersonic acceleration hypersonic boost-flight experiment Hypersonic Boost-Glide Missile hypersonic boundary layer hypersonic boundary layer transition hypersonic characteristic hypersonic characteristics hypersonic combustion hypersonic cruise air vehicle hypersonic cruise missile Hypersonic Cruise Vehicle hypersonic flight hypersonic flight aerothermodynamics Hypersonic Flight Environmental Simulator hypersonic flight environment simulator hypersonic flight experiment hypersonic flight test Hypersonic Flight-Test Experiment hypersonic flow hypersonic flow condition hypersonic flow field Hypersonic flows hypersonic forebedy/inlet hypersonic frequence