1、稀薄的空气
...starry air多星夜空thin air稀薄的空气vacant air空虚,茫然的表情 ...
2、无影无踪
...thin layer chromatography薄层色谱；薄层色谱法；薄层层析法thin air稀薄的空气；无影无踪；子虚乌有thin section[生]薄片；薄剖面；薄切片 ...
out-of-thin-air safety称之为最低限的安全性
vanish to thin air消失的无影无踪
So Thin Air如此稀薄空气
thin air cushion薄气垫
vanish into thin air不知去向;烟消去散;凭空消失;消失不见
From Thin Air从稀薄空气
Come into thin air消失
oxygen-thin air氧气稀薄的
out of thin air无中生有地;翻译;狭空之上